In a Florida university lab, a scientist's experiment to revive brain tissue in baboons goes awry, unleashing a deadly "rage virus". A journalist who breaks into the lab is bitten by an infected baboon, and the virus quickly spreads to a group of violent individuals, including rapists and a valley girl, who go on a murderous rampage.

Primal Rage
In a catastrophic turn of events, a team of scientists in Florida inadvertently creates a lethal virus by reviving baboon brain tissue, leading to a rapid spread of the disease after a journalist is bitten by an infected animal.