<P> Carla is in the frame for Tina's murder but after evidence and his outburst at Tina's funeral, Peter is arrested and charged with the murder . While in Highfield Prison, Peter meets Jim McDonald, who supplies him with booze while making Peter get son Steve McDonald and Liz to visit . After Peter fails to Jim's command, Jim stops Peter's provision so Peter finds the booze supply and drinks it all, resulting in him being taken to hospital with internal bleeding . Peter later tells Carla he knew she killed Tina even though he didn't do it he'll take her secret to the grave . Carla considers going to the police but Rob is adamant she doesn't . Peter tells Tracy about Jim after he is beaten by Jim's lackeys, so she tells Steve to stop visiting and Jim turns nasty . A terrified Deirdre Barlow asks Jim's ex-wife Liz McDonald to talk to Jim, so she does and Jim leaves Peter alone . </P> <P> In October 2014, Steve thinks he may have melanoma and gets it checked out but is told he may have depression which he disregards . On the 13th Peter's trial begins and a guilty Steve who knew about the affair fears he has ruined Peter's chances of being released but Carla tells the jury on the 15th she believes Peter's innocent making his chances better . While Peter and newfound cell - mate / confidant Eugene Cleland celebrate, murderer Rob yells at Carla making her feel suspicious . At last all is revealed when new evidence emerges and Tracy lures Rob to a derelict factory claiming that they will flee the country together . It is revealed that Tracy lied and had led the police to their location . His name cleared, Peter decides to depart seeing as how there is nothing keeping him in Weatherfield other than son Simon . Peter leaves in November . </P> <P> Because of the stress of the trial, Peter's stepmother Deirdre decided to go away to stay with her friend to get away . Deirdre's portrayer Anne Kirkbride died in January 2015, so the character was written out of the show, with her character dying off screen in July 2015 . </P> <P> It was also revealed this year that Max Turner, son of Kylie and stepson of David Platt, has attention deficit hyperactive disorder (ADHD) and he needs medication to control his illness . Kylie ends up getting hooked on to these drugs as the stress that Max is placing on her pushes her to the edge . She then rediscovers Max's biological father, Callum Logan, and he begins harassing the Platts, intent on gambling for custody of the boy . Eventually, Kylie begins reverting to her old ways, and Callum even begins supplying her with illegal highs to ensure he would get custody . </P>

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