Episodes
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1. Episode 1
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.
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2. Episode 2
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.
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3. Episode 3
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.
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4. Episode 4
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.
Episode information from TMDB. Air dates refer to the original broadcast or release.