Vigil S2, E4

The mysterious disappearance of a Scottish fishing trawler and a death onboard a Trident nuclear submarine bring the police into conflict with the Navy and British security services.

Cast:Suranne Jones , Rose Leslie , Shaun Evans , Paterson Joseph , Adam James , Connor Swindells , Gary Lewis , Lolita Chakrabarti , Anjli Mohindra , Lorne MacFadyen , Stephen Dillane , Lois Chimimba , Bobby Rainsbury , Cristian Ortega , Martin Compston , Daniel Portman , Tom Gill , Anita Vettesse