A scientist at a Florida university inadvertently creates a "rage virus" while performing experiments intended to restore dead brain tissue in baboons. When a journalist for the college paper breaks into the campus lab, he's bitten by one of the infected baboons; the virus soon spreads to a trio of rapists and a valley girl, all of whom go on killing sprees.

An Indian Vietnam veteran trains five street punks in the Everglades to fight vice in Miami.

In Miami, Florida, biker gang leader Edward "Diablo" Santer is about to be executed for murder when he proclaims his innocence and vows revenge from the grave. When a mysterious biker comes to town during Spring Break festivities, leaving several teenagers electrocuted to death, some begin to suspect that Santer has made good on his promise.

A high-strung news producer finds herself in a love triangle between a talented but self-doubting reporter and a charming news anchor who embodies the growing trivialization of news that she is determined to fight against.