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

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.

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.