The discovery of a burnt out van offers some new evidence to Barclay's investigation, as the suspect slips away; Matt joins Gary with the police, in a stakeout at the home of Hazel Betts; Amy celebrates her retirement with a party at a pub; several new clues bring Barclay and his team close to solving the case.
Casts:
Hugh Bonneville, Patrick Malahide, Penelope Wilton, Edward Woodward, David Oyelowo, Sarah Smart, Richard Harrington, Charlie Creed-Miles, Janet McTeer, Christine Tremarco, Al Weaver, Anne Reid, David Morrissey, Navin Chowdhry, Kerry Condon, Chris Fountain, Bernard Hill, Suranne Jones, Hugo Speer, Lucinda Dryzek, Derek Riddell, Rory Kinnear, Philip Arditti, Steve Evets