The crew of the nuclear submarine USS Ulysses rescues supposed victims of a boat disaster, but the victims turn out to be terrorists intent on capturing nuclear weapons aboard the sub. Only a former SEAL, now a submarine consultant, can save the crew by sliding aboard while the sub is underwater. The term "crash dive" refers to the sudden dropping of a sub to escape detection, an act that a nuclear sub is never supposed to make. Of course, it comes into play in this film.

A group of friends living in Los Angeles shares complex lives and love affairs while trying to break into show business.

Successful psychologist, Dr. Angela Cross, puts in a new burglar alarm system into her home due to threats she received. Steve Caldwell and Will Griffith install her system and after Will gets shot during a burglary attempt. Jeff and Angela have a hot relationship going until another break-in at her house. Angela has some secrets from her past that could be exposed if the tapes stolen are viewed.