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.
Elenco: 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 .