A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.
A fearless, globe-trotting, terrorist-battling secret agent has his life turned upside down when he discovers his wife might be having an affair with a used car salesman while terrorists smuggle nuclear war heads into the United States.