Jang Hyun and Yoo Young finally get married. Suk Moo goes out for a bachelor party with Jang Hyun, but he finds himself in such an unexpected situation. A year after the wedding, Jang Hyun, Yoo Young, Suk Moo, and Hwi Roo all go camping together, and things are just as how Suk Moo predicted long ago. Meanwhile, Suk Moo decides to tell Hwi Roo something.
Suk Moo and Hwi Roo return to Seoul together. Their parents wonder what happened after that, but they don’t hear much news. Jang Hyuk asks Suk Moo to sing at his wedding and suggests that Suk Moo and Hwi Roo should hold their wedding with them. Meanwhile, Hwi Roo gets called for a book fair in Italy.
Suk Moo’s parents take Hwi Roo and Suk Moo to Hwi Roo’s parents. They sit together to have a family meeting and discuss about the divorce, but the neighbors barge in and start a party to celebrate their visit. Meanwhile, Yoo Young gets a call from her sister and visits Geoje to see her mom.
Suk Moo’s poor choice of words makes his parents realize that he and Hwi Roo got divorced too. Suk Moo’s father feels devastated as he finds out that both of his kids got divorced. Jang Hyun and Yoo Young decide to get back together and get married. Meanwhile, Suk Moo quits his job.
Hwi Roo gets a publishing party to celebrate completing her book. She invites everyone including Suk Moo. Suk Moo realizes what he has done wrong to Hwi Roo. Meanwhile, Mr. Oh confesses that he has feelings for Hwi Roo in front of Hwi Roo and Suk Moo at the dinner after the publishing party.
Yoo Young tells Suk Moo that she’s carrying Jang Hyun’s child. Hwi Roo finally gets her story printed into a book. Jang Hyun gets hospitalized after falling off from a rooftop. Suk Moo tries to keep his mind on his own life, but things seem to keep bothering him. While talking with Jang Hyun, Suk Moo realizes why he had been acting like that.
Hwi Roo is shocked to hear that Yoo Young tried to sleep with Suk Moo. Suk Moo tries to avoid Jang Hyun, but he keeps asking what happened between Suk Moo and Yoo Young. All four of them happen to come across each other all at once and end up having a heated conversation at Yoo Young’s house.
After seeing his grandmother going out for curling, Suk Moo thinks he could finally find Hwi Roo and follows her to the curling center. Hwi Roo ends up meeting her father and admitting that she and Suk Moo got divorced. Meanwhile, Yoo Young finds Suk Moo wandering around and walks up to him.
Suk Moo keeps trying to find where Hwi Roo went. Hwi Roo continues to work on her storybook. Jang Hyun starts living at Suk Moo’s house, but he just can’t forget about Yoo Young. Meanwhile, Hwi Roo’s father visits Suk Moo’s house and asks Suk Moo where Yoo Young went.
Suk Moo takes Jang Hyun home and asks Yoo Young to let him take his clothes. Jang Hyun keeps wandering physically and mentally after hearing that Yoo Young doesn’t want him anymore. Meanwhile, Hwi Roo realizes that Suk Moo had much held inside himself for her sake and decides to be nicer to him.
Yoo Young and Hwi Roo come across each other while grocery shopping, and they start talking about Suk Moo’s habits. Suk Moo works for a night shift, but Jang Hyun suddenly calls him over. Meanwhile, a publisher company calls Hwi Roo and tells her that they are interested in her book.
Suk Moo gets worried as he keeps seeing Yoo Young jogging alone. Yoo Young goes out to a bar, but she just finds herself disgusted. Suk Moo finds Jang Hyun and tries to take him home, but he comes across Hwi Roo and Yoo Young on the way. The four of them end up sitting at a table and discussing about how they each feel.
Soo Kyung gets sick and gets taken to the ER. Ma Roo gets extremely worried about Soo Kyung, and she bursts out in rage as she hears what Soo Kyung’s mother says over the phone. Meanwhile, Yoo Young’s sister visits Yoo Young and triggers what she had been trying to deny while being with Jang Hyun.
A newlywed couple make a mistake and think Suk Moo is with Yoo Young while Jang Hyun is with Hwi Roo, so Yoo Young and Hwi Roo each talk about their good and bad traits. Suk Moo catches a cold after sleeping in the tent. Jang Hyun suggests going to a hotel for their second night. Meanwhile, Suk Moo and Hwi Roo get into a heated argument after getting drunk.
Suk Moo and Jang Hyun find the girls having a party. Suk Moo, Hwi Roo, Yoo Young, and Jang Hyun decide to go on a trip together. Mi Sook realizes that Suk Moo and Hwi Roo were trying to sell their house. Meanwhile, Soo Kyung’s friend visits the Mi Sook’s restaurant to see Soo Kyung.
Suk Moo’s family and Hwi Roo’s family gather together to get a family photo. Suk Moo’s grandmother sees that Hwi Roo has brought Shi Ho home and overhears that Suk Moo and Hwi Roo has gotten a divorce. Meanwhile, Hwi Roo changes her mind and tells Jang Hyun that they should go camping together.
Suk Moo and Hwi Roo hand in their divorce application and try seeing each other as strangers. Hwi Roo’s dad gets hospitalized at a hospital in Seoul, and everybody gathers there. Meanwhile, Suk Moo tells Jang Hyun that Yoo Young knows about the marriage registration now.
Suk Moo goes out to find Hwi Roo, and he sees that she met with Yoo Young. He keeps watching them but ends up losing control of himself once he sees some guys hitting on both Hwi Roo and Yoo Young. Meanwhile, Yoo Young calls Suk Moo and tells him that someone ran away after breaking her window.
Hwi Roo tries to tell Mi Sook that she and Suk Moo are getting divorced, but she fails to do so. Tae Hyun gets an aloe from Hwi Roo and prepares dinner to thank her, but Hwi Roo goes out as soon as she comes home that day. They end up arguing again, and Tae Hyun feels sorry for Hwi Roo. However, things only get worse.
Suk Moo is shocked to realize that Yoo Young had no happy memories with him. At home, Suk Moo and Hwi Roo argue again over petty things, so they end up deciding to put up some rules to follow. They try to show each other that they’re having a fun time by their own, and it leads to a childish fight over social media.
Suk Moo and Hwi Roo visit Suk Moo's father, Koo Ho's birthday party. After having a birthday party, Suk Moo and Hwi Roo head to Suk Moo's grandmother, Mi Sook's birthday party as well. Meanwhile, Suk Moo sees Jang Hyun with another woman and tells Yoo Young about it.