Today BBC One have released the first trailer for their new thriller Vigil, from the makers of Line of Duty, along with six new first look images.

Vigil centres around the mysterious disappearance of a Scottish fishing trawler and a death on-board HMS Vigil, a Trident nuclear submarine, which brings the police into conflict with the Navy and British security services.

DCI Amy Silva, played by Suranne Jones, and DS Kirsten Longacre, played by Rose Leslie, lead an investigation on land and at sea into a conspiracy that threatens the very heart of Britain’s nuclear deterrent.

The tagline for the tense trailer, released today, is "The deeper you go, the darker it