Emily confronts Naomi over her supplying Sophia with drugs. Emily has learned that Sophia was gay and her locker is a shrine to Naomi,though Naomi denies any sexual relationship between her and Sophia. Emily and Naomi then move in together but,at a party where Cook assaults one of the guests for no apparent reason,Emily gets Sophia's brother to open a box which contains Sophia's hand-drawn account of her affair with Naomi,who rejected her for Emily,hence her subsequent,drastic actions.
Cook is remanded in custody following the GBH charge but he is later released,with an electronic tag,to live with his alcoholic mother Ruth and adoring younger brother Paddy. He is also expelled from college for the assault. Appalled to learn that Ruth had sex with Freddie,he steals her car along with Paddy and trashes it. However,he becomes alarmed to think that Paddy may turn out like him,admits to selling the drugs to Sophia and,taking the rap for Naomi,he gets sent down.
Things are not going well for Katie. Following a pregnancy scare she learns that she is infertile and loses her job as a wedding planner when she gets drunk and aggressive at her client's hen night. To cap it all her father's recklessness has rendered the family bankrupt and they move in temporarily with Emily and Naomi,creating stress all round. Emily and Naomi fight at a barbecue,causing Naomi to admit that it was she and not Cook who supplied Sophia with drugs. The two girls do make up whilst Thomas,learning of Katie's situation,comforts her.
Effy and Freddie are living together but Freddie is troubled by Effy's morbid outlook and her obsession with death. He visits Norman,his grandfather,in his residential home and the old man tells Freddie he believes that Effy should have psychiatric treatment. Effy then locks herself in a bath-room and attempts suicide but survives and is taken to hospital. Freddie visits but she rebuffs him. However Cook,who has apparently escaped from custody,turns up and advises Freddie to persevere.
JJ falls for Lara,who works in the sweet shop with him, but on visiting her flat,discovers that she is a single parent with a baby, Albert. JJ's family disapprove of Lara as being a tart and Emily tells him she thinks Lara is using him to get back at her violent ex-boyfriend Liam. JJ gets into a fight with Liam,who tells him that he loves his child and gives JJ his blessing if he will care for Lara. JJ then gets back together with Lara and serenades her on the ukelele.
Effy spends some time in a psychiatric hospital and is discharged under the care of psychotherapist John Foster. However Effy's friends are concerned at the influence Foster has over her, isolating her from the rest of them. After she freaks out at the scene of Tony's accident she goes back to hospital, where Freddie visits her and encounters Foster, whom he warns to stay away from Effy. Foster invites Freddie to his house to talk about Effy.
As Emily and Naomi and Pandora and Thomas make up the gang become concerned for the absent Freddie and hold his birthday party in his absence. Cook,who has read Freddie's notebook which mention's Foster's obsession with Effy,follows the psychiatric worker home and breaks into his basement,where he discovers a bag containing Freddie's blood-stained clothes. Foster comes in and attacks him but,with a cry of "I'm Cook" the youngster hits him back with the baseball bat and avenges the death of his friend.