Trevor Eveheads the cast in this gritty yet popular BBC1 series as Detective Superindent Boyd, an arrogant but effective leader of the Cold Case Squad, which investigates old, unsolved murder cases. Using modern methods and new technology that may not have been available during the original investigation the team aim to uncover lost information. Helped by forensic profiler Dr Grace Foley, (Sue Johnston) Detective Sergeant Mel Silver, (Claire Goose) Detective Inspector Spence Jordan, (Will Johnston) and assisted by their able forensics scientist Dr Frankie Wharton (Holly Aird) the cold case squad dig into the past, resurface, reconstruct, and discover the secrets that time had buried.