It is the day after Hattie's disappearance, and the town unites to search for her. Keen to win favour with Hattie's family, Steve insists on leading the lynch mob, but what is he trying to divert attention from? Could it have something to do with a visit to Seth's flat? Fiona makes a chilling discovery when she ignores Alan's protests and launches herself into some unofficial policing. Meanwhile, Linus continues his quest to find out who his father really is and pursue Hattie's twin, Caitlin. Gail calls on her son's help to invade Malcolm's privacy when he refuses to come home.