Episode 1 (S02E01)

DCI Tom Brannick and DS Niamh McGovern are called to the scene of a shooting on the shores of Strangford Lough. Tom recognises the victim as an accountant from his troubled past, and the subsequent investigation of the dead man’s widow, Olivia Foyle, leads Tom into a web of intrigue that is inextricably bound to his previous misdeeds. (BBC iPlayer)