The narrative centers on a submarine commander who receives instructions to embark on a secretive journey with several KGB agents for a top-secret technological evaluation. During this assignment, he discovers that the purpose is more complex than initially presented; the KGB personnel are acting outside established protocols, and global stability is at risk. Ed Harris provides a noteworthy portrayal of the captain, while David Duchovny assumes the role of the mission’s lead KGB operative. The plot draws inspiration from an actual occurrence, though specifics about it have been kept confidential.

Source on TMDB