Matthew and the team continue to hunt for clues about the victim, and uncover secrets from the past and theorise who might have motive to murder. Connections are made between the victim and the Brethren community when it's uncovered that the victim had started attending meetings, while, closer to home, Matthew and his mother look to build bridges after years of silence.
Elenco: Ben Aldridge , Iona Anderson , Grant Crookes , Siobhán Cullen , Dylan Edwards , Aoife Hinds , Luke Ireland , Pearl Mackie , Steve Walsh , John-Paul Macleod .