Yo-Rhad - Un amico dallo spazio

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 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.

Alex, a young man who does dialysis treatment, struggles not to allow his health condition to take over his life.

Two highly skilled ex-intelligence operatives are hired to protect the daughter of their former directing officer from a beautiful but lethal martial arts expert and her team of mercenaries.