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.

As news of a sighting ripples through the town, Linus discovers the true nature of Everett's connection to Hattie. Fiona and Alan come to blows over Charlotte's odd behaviour and, when Alan finds himself back on the beat, a horrible discovery leaves them reeling.

Caitlin is hit by a terrible blow, inspiring Linus to make a dangerous promise to her. Meanwhile, Gail and James disagree about how best to serve Malcolm's memory and Seth decides to sacrifice everything to the truth, pushing Steve to take an extreme risk.