Black Water (2018)

Everything changes for a deep cover operative when he wakes up on board a retrofitted nuclear submarine. He quickly learns that, not just a submarine, his prison is actually a CIA black site. The operative enlists the help of a rookie agent and one of his fellow prisoners. Together, they work to escape and find out who is to blame for the set-up. With only limited time, their lives and their freedom depend on their ability to work together and work quickly. Only then will the operative be able to expose the people who betrayed him.