4 episodesFirst aired 15 May 2023
E1May 202357m
As the CID reopen an investigation into three murders from 1973, DCI Paul Bethell tries to piece together a past that has haunted both him and a community for almost 30 years.
E2May 202359m
With the swabbing operation set in motion, Paul looks to not only find his killer, but to eliminate individuals whose past has been defined by false accusations and rumours.
E3May 202358m
Through groundbreaking, familial DNA technology, the team in ‘02 manage to locate the killer. However, without 100 per cent certainty, Paul may have to rethink his approach.
E4May 202358m
As Paul searches for higher approval to proceed with Kappen’s exhumation, the team are concerned that his tunnel vision could leave them in a worse situation than they once were.