Still wracked with grief at the death of his colleague, River's mental fragility is further strained as he begins to suspect that the man he chased to his death was innocent.

Cast: Stellan Skarsgård, Josef Altin, Nicola Walker, Eddie Marsan, Georgina Rich, Pippa Bennett-Warner, Jane Jeffrey, Adeel Akhtar, Lesley Manville, Owen Teale, Youssef Berouain, Soo Drouet, Michael Maloney, Steve Nicolson, Sorcha Cusack