A unexplained death - and five friends bound together by a fragile pact of silence. What really happened that night in the woods?
Cast: Laura Fraser, Julie Hesmondhalgh, Eiry Thomas, Heledd Gwynn, Aneurin Barnard, Jason Hughes, Abbie Hern, Gabrielle Creevy, Aled ap Steffan, Rakie Ayola, Ben McGregor, Sophie Melville, Adrian Edmondson, Alexandria Riley, Eddie Marsan, Richard Elis, Gillian Elisa, Mark Lewis Jones, Richard Elfyn, Owain Gunn, Mark Hutchings
The shocking truth about Jack Evans' death is revealed. Will the lives of the four friends change forever?
The police net tightens. Meanwhile Max resorts to unorthodox methods to get to the truth.
A shock discovery sees the fragile pact strained to breaking point, and Louie is faced with a heart breaking decision.
Louie confronts Arwel over his recent behaviour, unlocking an horrific family secret.
Anna struggles to hide her dilemma from Max as the police investigation ramps up. Meanwhile the women must go to extraordinary lengths to protect their dark secret.
Anna, Nancy, Louie and Cat have had enough of their tyrannical young boss, Jack Evans, and make a drunken snap decision at a work function that has shocking repercussions.