Just saw this on Instagram. Very good cast, and from the same production company as Line of Duty and Bodyguard.



https://www.bbc.co.uk/mediacentre/latestnews/2020/vigil

The mysterious disappearance of a Scottish fishing trawler and a death on-board a Trident nuclear submarine bring the police into conflict with the Navy and British security services. DCI Amy Silva (Suranne Jones) leads an investigation on land and at sea into a conspiracy that threatens the very heart of Britain’s nuclear deterrent.