McQueens because of this and The Hutch is vandalized several times. During the trial, Diane continues to support Finn when he claims John Paul raped him, but eventually realises the truth and Finn is found guilty of John Paul's rape. She is devastated when Finn refuses to see her and breaks down to John Paul over it, apologising to him for everything she and Finn did in the process. Diane is injured after being attacked by Ste when he attempts to steal from The Hutch to fuel his drug habit, but makes a full recovery and remains unaware of Sinead and Tony's affair. When Diane nearly catches Sinead and Tony kissing, Sinead suggests to Tony they go away for a weekend. Tony lies to Diane and tells her he's going to a food conference and goes to a hotel with Sinead. Diane is worried when the flat alarm goes off and Tony is away and not available to fix it, and the alarm persists in annoying the whole village. Trevor suggests Diane look at Tony's credit card details to find out where he is staying and she tracks him down to a hotel. However, Tony is there and promises to come home, leaving Sinead behind. Diane shows up to question the hotel on who Tony was staying with, however the receptionist refuses to give any information other than Tony was with another woman. Tony is forced to admit that he is having an affair and Sinead says she went to the hotel to confront him about it. Diane is devastated, but forgives Tony and puts their wedding back on. On her hen night, Diane discovers Sinead is pregnant and confronts her about the father. Sinead informs her that it was her fling, Daryl (Rhys Howells) who fathered her child, so Diane invites him to her wedding to Tony. However, when Diane learns from Daryl that he and Sinead never slept together, she realises that Tony and Sinead are having an affair when she spots them looking at each other in the church. Diane publicly embarrasses them both and changes the locks on the flat and The Hutch, seeking support from Lockie Campbell (Nick Rhys). Diane refuses to forgive Sinead when Sinead tells her the affair was in revenge for Diane not believing her about baby Katy's death, but later rushes to apologise to Sinead afterwards. She finds Sinead and Tony