Sketch is a young carer for her disabled mother and is obsessed with Maxxie. Her schemes to make him fall in love with her endanger the college's production of "Osama: The Musical" and lead her to lie about the drama teacher molesting her to get a role in the play. Sketch befriends Michelle after seeing her fail to seduce a hesitant Tony, who suffers from erectile dysfunction following his injury. Sketch drugs Michelle to take her part in the play as Maxxie's love interest. The two kiss on stage as written, but Maxxie tells Sketch that he felt nothing. She slaps him and bursts into tears on stage. That night, she has sex with his best friend Anwar.^[2]

At a nightclub, Michelle and Sid reveal they are a couple. Cassie states Tony should be with Michelle in an attempt to get with Sid. Tony laughs off the idea. Tony takes ecstasy and elements of his old personality surface. He confronts Sid and Michelle about their relationship before vomiting in the toilets. He meets a girl (Janet Montgomery) whom he later sees at a university open day. She is provocative and outspoken, helping Tony overcome his erectile dysfunction. She gets a tattoo and they then have sex in a dormitory. Afterward, Tony goes to the nightclub again and interrupts Sid and Michelle having sex in a toilet. He tells them their relationship is wrong and leaves. Both Sid and Michelle have doubts about their relationship.^[6] The episode is a visual metaphor of Jungian psychology. Janet's tattoo appears on Tony's skin, indicating she could have been part of his subconscious mind.^{[citation needed]}

With her father away on a work trip and her mother suffering from depression, Effy becomes the responsible adult in the Stonem household. Tony is coming to terms with his personality. At Effy’s private school she is tasked with completing her art coursework and mentoring the new girl, Pandora Moon. They become friends. Sid and Michelle break up. Sid wants to get back with Cassie but she has resorted to promiscuity. Sid does Effy’s art coursework in exchange for Effy getting them back together. Revealing his inner emotions, Sid completes the coursework. Effy buys cannabis and sells it at a nightclub with Pandora and Tony. They find Jake who is tasked with seducing Cassie. He goes round hers and they kiss, Effy photographs this and posts the pictures around Sid. He confronts Cassie and the two argue. Sid states she was not there for him when his dad died. He confesses he always loved her and they get back together. Michelle tells Tony she loves him.^[7]

Chris is discharged from hospital and is recovering, and Cassie sits her philosophy exam. Sid cooks a meal for Cassie to celebrate the end of her exams and invites Tony, Michelle and Jal. Tension between Michelle and Cassie lead to Michelle accidentally revealing that Jal is pregnant, which leaves Chris distraught. Chris's mother appears at the entrance of the flat but is unable to approach Chris to say hello. Cassie overhears Chris crying in his bedroom, and he later becomes ill again, forgets Jal’s name and has a blood pressure build up on the membrane, dying in Cassie’s arms. Distraught, Cassie flees to New York, homeless, penniless and mentally unstable. She is taken in by a kind waiter from Iowa, named Adam, with whom she develops a platonic friendship. Cassie stays a night at Adam's apartment, and wakes up to find a note saying that he'd be gone away for a while. This leaves Cassie distraught and the episode ends with Cassie running through the streets of New York.^[9]

It is A-Level results day and the day of Chris’s funeral. The gang decide to open the results after the funeral. Chris’s father visits Sid to tell him they aren't invited to the funeral. Sid and Tony steal Chris's coffin in an attempt to hold their own funeral, but are convinced to return it by Jal. Jal tells Michelle she got an abortion. The gang converge on a hilltop overlooking the graveyard and Jal makes an emotional speech, likening Chris to Captain Joe Kittinger. They read out their results to each other that night. Maxxie and his new boyfriend leave for London and take Anwar with them leaving a devastated Sketch. Tony and Michelle decide to stay together for university. Tony buys Sid tickets to New York where he goes to find Cassie. He is last shown outside the diner where Cassie works, their backs turned to each other, unaware of each other. The series finishes with Effy in Tony's bed smiling up into the camera.^[10]