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.

Louie confronts Arwel over his recent behaviour, unlocking an horrific family secret.

A shock discovery sees the fragile pact strained to breaking point, and Louie is faced with a heart breaking decision.

The police net tightens. Meanwhile Max resorts to unorthodox methods to get to the truth.

The shocking truth about Jack Evans’ death is revealed. Will the lives of the four friends change forever?