Alexandria Riley

Colourful former TV detective and national treasure John Chapel (BAFTA winner and real-life national treasure Timothy Spall) and ambitious young DS Janie Mallowan (Gwyneth Keyworth, Alex Rider) form an odd-couple crime-fighting duo to tackle murder cases across Wales.

Detective superintendent reopens two unsolved murder cases from the 1980s. Forensic methods link the crimes to a string of burglaries. Steve's team has to find more evidence before the perpetrator is released from prison.