In the cold, dark waters off North Korea a U.S. Navy fast attack submarine meets with a mysterious disaster - it's attacked and nearly sunk by an ominous stealth submarine resulting in the deaths of the Executive Officer and the Engineering Officer. The sub's captain, Commander Burt Habley, faces a court-martial by a Naval Board of Inquiry. He's rescued from this fate when he's chosen to lead a top secret mission back to tap a North Korean underwater communications cable. Habley must protect his (imdb)