After getting revenge on Gi Yun, Hee Jae reclaims her name and position and begins living a happy life with Soo A. Jaclyn recalls her memories of Seung Pil and starts a new life with her mother in the US. Meanwhile, Woo Hyuk plans an unforgettable marriage proposal to Ju Kyung.
Woo Hyuk and Hee Jae head to the prosecution office to turn in Gi Yun's corruption ledger. However, Gi Yun lets them know about Soo A being diagnosed with leukemia to get away with his crimes. Gi Yun asks Hee Jae to hand over the ledger back to him.
Even after Yang Hee Chan's confession, Gi Yun skillfully turns the situation to his advantage. Hee Jae and Woo Hyuk struggle to bring Gi Yun down, and now Tak Sung Gu attempts to contact them with the intention of revealing Gi Yun's secrets.
Despite her revenge plans, Hee Jae places Chang Sung's safety first. Nevertheless, Gi Yun, sensing the impending threat, acts proactively. When Hee Jae finally catches on, it seems too late, and her only shot at saving Chang Sung now hangs by a thread.
Hee Chan tries to destroy Gi Yun for Woo Hyuk's well-being but to no avail. Knowing Hee Chan would betray him, Gi Yun exposes to the press about Hee Chan's crime and makes him go on the run. As Hee Chan avoids the police, he plans his revenge against Gi Yun.
Bit Na falls victim to Gi Yun's scheme and collapses when she hears Woo Hyuk is her half-brother. Hee Chan is also stunned by Gi Yun's intentions and intends to fight back. Meanwhile, Gi Yun makes plans to leave Hee Chan as his partner.
Gi Yun provokes Woo Hyuk on purpose and then reports him to the police to keep him from the funeral. Jaclyn barges into Gi Yun's home for her revenge even though Seung Pil tries to stop her. Meanwhile, Hee Jae secretly goes back to Jun Hee's wake at night.
Gi Yun believes Hee Jae does not love him, and he questions why she approached him. Meanwhile, Hee Chan thinks deeply about hurting his son, Woo Hyuk. However, Gi Yun pressures him and puts Hee Chan in a tight spot, making him decide to end Woo Hyuk's life.
Gi Yun determines to dispose of Jaclyn, the thorn in his side. He takes her to a refrigerated container and locks her inside. Luckily, Hee Jae and Woo Hyuk save her from death. However, Jaclyn loses her baby, and she vows to get her revenge against Gi Yun.
Jaclyn can't throw her suspicions of Hee Jae being Ju Kyung away and follows her. Hee Jae plans to use Jaclyn to expose to the world that Woo Hyuk is Hee Chan's love child and have it destroy his political career. She also plans to use Jaclyn to come between Hee Chan and Gi Yun and slowly demolish Gi Yun's life.
Hye Rim learns that the baby Jaclyn is carrying isn't a boy. She calls Jaclyn over and interrogates her about her lies and deception. However, Jaclyn doesn't back down one bit. Meanwhile, Jaclyn lets Hye Rim and Gi Yun know that she knows Chang Sung is alive, pushing them into madness.
Gi Yun and Hye Rim receive a video clip of Chang Sung from an anonymous caller, and Gi Yun hopes it is not Hee Jae who blackmailed them. Woo Hyuk warns Hee Chan to stop the casino business he is working on with Gi Yun. Meanwhile, Chang Sung tells Hee Jae to find the hearing aid he gave to Soo A.
Woo Hyuk is shocked to find out that Hee Chan is his biological father. When Jun Hee explains what happened in the past to him, he decides to bring Hee Chan down to take revenge. Meanwhile, Hee Jae figures out where Gi Yun is hiding the ledger, and Jaclyn sneaks into the basement of Gi Yun's house.
Out of anger, Gi Yun takes away the dolls and toys with memories that Woo Hyuk had given Soo A and makes her cry. Seeing Soo A in tears, Hee Jae tells Woo Hyuk with a heavy heart to stay away from Soo A to preempt any further hardships for Soo A. Meanwhile, Woo Hyuk stumbles upon Hye Rim and his mother in a heated conversation.
After keeping a close eye on Hee Jae, Jaclyn questions Hee Jae's true identity. Later, Hee Jae commits to a DNA test between her and Soo A to shake off Jaclyn's suspicions. Meanwhile, Hee Jae, Gi Yun, Hye Rim, and Jaclyn wait together for the paternity test to arrive.
Jaclyn proudly flaunts the bracelet Hee Jae had given Hye Rim in front of Hee Jae. Worried about the wiretapping device in the bracelet, Hee Jae forcefully takes it from her. However, the bracelet breaks and Jaclyn sees the wiretapping device. Jaclyn finds it suspicious and tells Gi Yun about it right away.
Jun Hee immediately breaks up with Sung Il after Hee Chan finds out she is Woo Hyuk's mother. Hee Chan runs a background check on Jun Hee to see if Woo Hyuk is his own son. Meanwhile, Hee Jae asks Gi Yun for permission to take a look at the company ledger.
Gi Yun throws a fit at Woo Hyuk after finding out he is planning to dismiss him from his chairman position. Soo A secretly sneaks out of the house and meets Woo Hyuk without letting Hee Jae know. Meanwhile, Sung Il introduces Jun Hee to Hee Chan and Young Ran.
Gi Yun discovers that someone has been discreetly buying large amounts of WJ Entertainment's shares. Gi Yun worries that his company will fall into the hands of someone other than himself. He finds out that Woo Hyuk is the one who is buying the shares and then aggressively confronts him about it.
Gi Yun and Hye Rim plan to send Chang Sung to an island to lock him up for eternity as he becomes increasingly a burden. However, when they drug Hee Jae to sleep and attempt to sneak Chang Sung out secretly, they are horrified when they hear her call out Chang Sung's name. Meanwhile, Bit Na runs away from home to Seung Pil's house.
Woo Hyuk and Hee Jae learn that Gi Yun has been extorting landowners of their land for his casino business. Hee Jae puts her life on the line to rescue one of the landowners held by Gi Yun and almost exposes her identity. Meanwhile, Seung Pil changes his mind about leaving after encountering Gi Yun.
Upon realizing that Gi Yun has caught them sharing a goodbye kiss, Hee Jae forcefully distances herself from Woo Hyuk, leaving lasting emotional scars on him. Despite his discomfort with Hee Jae moving back in with Gi Yun, Woo Hyuk tries to empathize with her situation. In the meantime, Jun Hee is on her way to visit her son, and Hee Chan recognizes her.
With Seung Pil's help, Jaclyn gets away from Sung Gu and makes it to the hospital. At the hospital, Jaclyn finds out she is pregnant and becomes happy about it. Jaclyn decides to have the baby whether Gi Yun accepts her or not. Later, she confidently goes to WJ Entertainment and discloses the good news in front of all the employees.
After being pushed into a corner by Jaclyn for her investment money, Gi Yun orders Sung Gu to kidnap Jaclyn and put her in a mental hospital. With Jaclyn, a thorn in his side, out of the picture, Gi Yun finally lets out a relieving sigh of satisfaction. Meanwhile, Hee Jae discloses her plan for revenge to Jun Hee and gains her support.
Chang Sung miraculously gains consciousness after a year-long sleep, and Gi Yun calls Hye Rim immediately. They plan to soundproof Chang Sung's room secretly while Jaclyn is asleep. However, Seung Pil gets suspicious and barges into Gi Yun's house as he cannot reach Jaclyn.
Even though Gi Yun finds out about Jaclyn's attempted murder, she blames Ju Kyung for her crime and takes it out on her. Gi Yun gets infuriated at Jacklyn and wants to kick her out of his house immediately. Meanwhile, Hee Jae is disappointed in Seung Pil as she realizes he is on Jacklyn's side.
Jaclyn cries in pain as her mother, Sun Ja, cannot recognize her, and Seung Pil feels bad for both of them. Meanwhile, Hee Jae and Woo Hyuk plan to hand over the evidence of Jaclyn's attempted murder to Gi Yun, and Jun Hee finds out Hee Jae is living under a fake identity.
After getting renounced by her mother-in-law, Hye Rim, Jaclyn has nowhere to go. She remembers the address of her mother's nursing home Seung Pil had given her, and she decides to go there. However, when she gets there, her mother doesn't remember her.
After surviving an almost fatal encounter with Jaclyn, Hee Jae opts to leave the house. Weary of Jaclyn, Gi Yun contemplates divorce, but she derides his financial constraints. Gi Yun must strategize another way to eliminate Jaclyn for the well-being of Soo A and Hee Jae. Meanwhile, Hee Jae pities Woo Hyuk, fully aware of the impending end to their relationship.
Jaclyn believes she perfectly destroyed the evidence of her crime and leaves the scene. Woo Hyuk saves Hee Jae from the fire, and Hee Jae loses consciousness. Meanwhile, Gi Yun is worried about Hee Jae as she has not returned home.
Jaclyn devises a plan to destroy Hee Jae, who has now taken over the master bedroom she once shared with Gi Yun. One night, Jaclyn waits for Hee Jae to leave work in the basement parkade to kidnap her. Meanwhile, Woo Jae watches over Hee Jae on his phone through a GPS tracking application.
Hee Jae can't stand the thought of leaving Soo A alone with Jaclyn, who abuses her. She resolves to move in with Gi Yun for the time being. Hee Jae plans to move in with Gi Yun on Woo Hyuk's birthday after leaving Woo Hyuk a heart-breaking goodbye and kiss. Meanwhile, Gi Yun finds out the movie investment he had made with Hee Jae's money was a scam.
Hee Jae wins Gi Yun's favor when she hands him a large sum of money after seeing him broke and looking for a solution. Gi Yun accepts her offer and falls even harder for her. Meanwhile, one step at a time, Hee Jae gets closer to her revenge and watches Gi Yun become more anxious.
Jaclyn's face turns red with embarrassment when Suzuki says the opposite of what he promised to expose in front of Gi Yun. When asked about the money he had borrowed for Woo Hyuk, Soo Ho can't say a word. Meanwhile, Hee Jae worries that Woo Hyuk will get hurt because of her.
Jaclyn slides over an envelope full of money to a man impersonating Suzuki Yamato to get him to testify that he isn't Hee Jae's father. Meanwhile, Hee Jae returns an expensive necklace to Gi Yun that he secretly gave her, and Jaclyn finds it in Gi Yun's desk drawer.
Woo Hyuk is surprised when he learns Jun Hee is the chairwoman at Jung Capital, where Soo Ho works. Meanwhile, Hye Rim guides Dr. Oh secretly down to the basement, and Jaclyn asks Hee Jae to come and be the translator for a meeting she has with a Japanese investor.
Once Woo Hyuk uncovers her identity, Hee Jae opts to inform him about her true self while keeping her pursuit of Gi Yun a secret. As WJ Entertainment marks its foundation day, Gi Yun invites Hee Jae to his home. At the same time, Hee Jae begins implementing her strategy to intercept Jaclyn's money before it arrives in Gi Yun's hands.
Jaclyn and Gi Yun keep getting into fights with Hee Jae in the picture, and Hee Jae watches them with a smile of satisfaction. Meanwhile, Woo Hyuk visits Yu Kyung's niche and confides in her about the confusion over Hee Jae, and Hee Jae takes Jun Hee to the hospital for suddenly collapsing.
Hee Jae appears after completely wiping out Shin Ju Kyung's past. Finally, with Seung Pil's help, she gets to unsheathe her blade in revenge against Jang Gi Yun. Meanwhile, Gi Yun becomes captivated by Hee Jae's provocative charms without having the slightest clue that she is the late Shin Ju Kyung, and Jaclyn, who has to witness it, becomes infuriated.
While half asleep, Soo A recognizes her mother's face. She leaves the hospital alone and heads to the address she remembers from Woo Hyuk. Meanwhile, Jaclyn leaves the house after fighting with Gi Yun and goes to Seung Pil's house to make Gi Yun jealous. However, when she gets there, she sees Soo A.
Woo Hyuk gets caught for wanting to become an actor by Jun Hee. He decides to leave his family to continue to become one. With nowhere to go, he heads to NA Entertainment. Meanwhile, after watching Seung Pil leave his seat to answer Jaclyn's phone call, he becomes suspicious of him.
The distressing fact that Soo A could be in harm's way due to Gi Yun and Jaclyn terrifies Ju Kyung. Worried about Soo A's well-being, Ju Kyung anxiously monitors the kindergarten pickup, but nobody shows up, allowing her a chance to bond with her daughter. However, Gi Yun soon discovers this and manipulates the situation to his advantage.
Although Ye Kyung survives the horrible accident, she seriously injures her leg. Woo Hyuk believes the accident was not a coincidence. Meanwhile, Gi Yun and Jaclyn visit Ju Kyung in prison to tell her that Soo A can't remember her and is having a hard time because of her. Tormented by their words, Ju Kyung tries to take her life.
With Jaclyn now wedded to Gi Yun following Ju Kyung's imprisonment, her current objective is to eliminate Woo Hyuk. Their actions have not only snuffed out Woo Hyuk's chance to thrive as an actor but also compelled him to perform menial tasks around the office. Amidst it all, Woo Hyuk endures the humiliation, eagerly anticipating Ju Kyung's return.
At Chairman Jang's funeral, Ju Kyung is apprehended on allegations of murdering him. Due to Gi Yun's interference, every attorney declines to represent Ju Kyung. Adding to the adversity, Hye Rim provides false testimony, claiming she saw Ju Kyung commit the murder. Overwhelmed by shock, Ju Kyung collapses and bleeds.
After Chairman Jang learns Ju Kyung was arrested by the police unfairly at the hands of Gi Yun, he angrily demands Gi Yun to get her released immediately. Gi Yun can't take his father's words anymore, and he decides to get rid of him by secretly giving him an overdose of his medicine. As Chairman Jang suffers in pain, Ju Kyung walks into his room.
Ju Kyung tries her best to persuade Gi Yun at the hotel where he and Jaclyn are together to come home. However, Gi Yun doesn't want to leave Jaclyn. Ju Kyung tells Hye Rim about Gi Yun's affair, but ironically, Hye Rim takes Jaclyn's side. Ju Kyung has no choice but to expose everything to Chairman Jang, causing Chairman Jang to call Gi Yun and Jaclyn to his house.
The astonishing declaration of the new chairman catches Gi Yun off guard, pushing him to rely solely on Jaclyn. To win her favor, he strategizes to fulfill her every wish, showing a willingness to cross boundaries with Ju Kyung. While attending a hotel meeting, Ju Kyung is confronted with Gi Yun and Jaclyn's shameless demeanor, placing her in an uncomfortable position.
Upon hearing Ju Kyung's assurance that she intended to make him the next chairman and fully support him, Gi Yun had confidence in her words. However, the announcement during the commemoration event catches both Gi Yun and Ju Kyung off guard, resulting in a profound shock.
Gi Yun confronts Jaclyn during her inaugural ceremony and successfully feigns condescension to capture her attention. Meanwhile, Assemblyman Yang Hee Chan strategically attracts Jaclyn to Gi Yun's new project as part of a plan to secure Jaclyn's investment.
Seung Pil decides to get his revenge on Gi Yun for his time in prison. He plots with wealthy Jaclyn to steal Gi Yun's company. However, when Gi Yun and Jaclyn cross paths at a hotel bar, it sparks mutual interest between the two of them.
After marrying Gi Yun, Ju Kyung gives birth to a daughter named Soo A and is living happily. Ju Kyung picks up Gi Yun, who has returned from a business trip abroad. Coincidentally, Seung Pil is there, and he introduces Jaclyn, who had caught Gi Yun's attention during his trip. Gi Yun finds it difficult to suppress his feelings for Jaclyn.
Hee Jae manages to make Hyunta the new model of Miyu Cosmetics just before Na Hee's contract renewal. Gi Yun and Jacklyn lose control when they lose the deal to NA Entertainment. Therefore, Gi Yun comes up with another plan to persuade the CEO of Miyu Cosmetics. Meanwhile, Gi Yun discovers something interesting while investigating Hee Jae's family background.
Seung Pil takes a picture of Gi Yun and Hee Jae together at a bar and sends it to Jacklyn to get her infuriated. Jacklyn recognizes Hee Jae right away as she looks exactly like Ju Kyung. Woo Hyuk advises Hee Jae to stay away from Gi Yun, while Jacklyn visits Gi Yun at his office the next day and runs into Hee Jae again.
During the commemoration of Jang Chang Sung's first anniversary memorial service, Jang Gi Yun embarks on the expansion strategy for the company he inherited. This move involves E promoting the two-billion-dollar business centered around VK Media Culture Valley. At this juncture, Seo Hee Jae emerges at WJ Entertainment, sparking Gi Yun's curiosity.