High school graduation is finally here, prompting everyone to reminisce about how much their lives have changed over the past few years. Amy's relationships with Ricky and Ben weigh heavily on her mind, while Grace contemplates Jack's place in her life. Meanwhile, Adrian is ecstatic when an unexpected visitor knocks on her door.
Adrian is devastated by Omar's decision and takes her pain out on Ricky and Jack. Ben refuses to give up on his dream of reuniting with Amy and makes a shocking confession to Alice. Ethan and Margaret have an honest conversation about his relationship with Kathy. Meanwhile, Clementine returns to town and pays Ricky a visit.
Ricky tries to find a way to support Amy's dream of going to Hudson University, despite everyone's reservations about their relationship. Amy worries about her future when her meeting with the college counselor doesn't go quite like she'd expected.
Anne's anger toward George prompts her to call off Ricky and Amy's wedding, exposing the truth about their marital status to others. Meanwhile, Jack is reluctant to get the help he needs; Kathy and Chloe's newfound friendship worries Ethan.
Amy and Ricky continue planning their wedding, so Amy buys her dress at a thrift store. The dress is a little worse for wear, but only Amy sees the potential to make it great. Meanwhile, Ricky is upset about the dress and Adrian thinks the dress reflects her feelings about getting married.
Jack remains in the hospital; Ricky discusses the wedding with George.
Adrian and Omar think about moving in together; Anne starts to plan Amy's wedding.
Ben and Amy have a candid discussion about their relationship.
Amy envies Ricky's life as a college student.
Amy is displeased to see Kathy hanging out with a bad crowd.
Grace persuades her friends to attend church, but her plan doesn't come together as she expected.
Ricky begins college, where he reunites with an old pal from foster care. Elsewhere, Ben's legal troubles are behind him, but he still must face Leo's wrath; Ethan takes an interest in Kathy; and George makes a promise to Kathleen.
Amy and Ricky's family and friends want to host a wedding reception for them, but Amy and Ricky are hesitant to accept their offer. Meanwhile, Ashley's parents find out she ran off to culinary school overseas; and Ruben advises Ben to get a lawyer.
Amy begins her senior year of high school and gives guidance to a new student, who's six months pregnant. Meanwhile, Ricky gets an opportunity to work for Leo full-time; Ben shares his feelings with Amy; Ricky and Amy watch a video of their wedding.
Amy and her friends at Grant High learn to define themselves while they navigate the perilous waters of contemporary adolescence. Between their love triangles, secrets, drama, accusations, gossip, confusion, and scandalous rumors, there's never a dull moment.