The USS Neptune, a nuclear submarine, is sunk off the coast of Connecticut after a collision with a Norwegian cargo ship. The navy must attempt a potentially dangerous rescue in the hope of saving the lives of the crew.

• Universal Pictures
• The Mirisch Company
• Charlton Heston
• David Carradine
• Stacy Keach
• Ned Beatty
• Stephen McHattie
• Ronny Cox
• Dorian Harewood
• Rosemary Forsyth