When Gus Stewart's wife announces that she wants to divorce him, he starts thinking about committing suicide. His 14-year-old son Alex notices this and desperately tries to prevent him from doing so and to give his father a reason to live.

As a reward from a jilted millionairess, Davis is given the $100,000 Porsche of the unfaithful husband. Unknown to Davis and the wife, the body of the husband is in the Porsche. The killer tries in vain to recover the body before it is discovered.

The U.S. government, eager to protect the nation's avacado supplies, recruits feminist professor Margo Hunt to make contact with the Piranha Women, an all-female tribe who believe men are only good as a source of food. Accompanying Dr. Hunt on her trip are Jim, a guide of questionable competence, and Bunny, a student of unquestionable incompetence.

Two teens, Lisa and Kim, are playing games making prank calls on the phone. But when they call Adrian Lancer who has some mental problems, and say "I saw what you did", they ignite a human time bomb. Adrian has just killed someone and thinks they saw him do it. Now he is trying to find them.