Armed with new evidence, the case looks cut and dried, but a new revelation raises doubt as the emotional ripple effects of the fire take their toll on those closest to the tragedy. Steve goes to his work-appointed counselling and a past conversation with Kate is revealed. As the truth begins to emerge, everyone questions their role in the tragedy. Crime drama, starring David Tennant, Cush Jumbo, Matthew McNulty and Anna Madeley

S1 Ep3