Following an incident involving his executive officer (and romantic partner) who dies after an unexplained naval event near North Korea, "Cdr. Habley" (played by Adrian Paul) is removed from command of his submarine. Despite some reservations among his superiors regarding the circumstances surrounding these events, they enlist "Lt. Cdr. Barker" (Matthew St. Patrick) to persuade “Habley” to return, even though he’s su…