Alma apologises to Mike for thinking him capable of arson. Mike makes a list of everyone who had a key, starting with Sally. Maxine asks Ashley to forget about their misunderstanding and is put out when he tells her he doesn't want to see her again. Gary upsets Judy when he mentions anything to do with mothers. He feels he can't say anything to her any more. Maxine tells Ashley he's right and she did behave badly but he still doesn't want her. Tricia is indignant when Mike questions her about the fire. Alan takes Fiona to meet his parents, Bernard and Mary. Fiona and Mary hit it off when they both moan about how Alan puts his career before everything else. Alma is stunned when Mike tells her that he's wondered if she started the fire. Gary makes Judy see that they can't avoid talking about Joyce and that they have to remember her as they live their lives. Mike realises that Josie had a key and Don must have had access to it. He is convinced Don started the fire.