Armed with new evidence, the case looks cut and dried, but a new revelation raises doubt. The emotional effects of the fire are taking their toll on those closest to the tragedy.

Cast: Maureen Beattie, Stuart Bowman, Laurie Brett, Gordon Brown, Grace Calder, Jack Greenlees, Lewis Gribben, Seline Hizli, Cush Jumbo, Lorn Macdonald, Anna Madeley, Lisa McGrillis, Phil McKee, Matthew McNulty, Jamie Michie