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.