After seven years in prison David Collins is released due to a technicality, the police now need to reopen the case in search for the murderer.

Cast: Lee Ingleby, Hermione Norris, Adrian Rawlins, Robert East, Lynne Verrall, Juliet Howland, Daniel Ryan, Nigel Lindsay, Sargon Yelda, Soraya Radford, Ben Owora, Elliot Cowan, Tony Gardner, Angel Coulby, Eloise Webb