Following the 28-day police review Barclay has turned Leanne's missing persons case in a murder investigation and Kyle Betts is the prime suspect; Matt spends his birthday in the company of Sarah, much to the displeasure of Leanne's parents; Farnes and Matt also discover that that Leanne bought a one-way airplane ticket to France, where her ex-husband lives, days before her disappearance.
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