In Italy, escaped sadistic killer Nanni Vitali and his henchmen terrorize the populace and seek revenge against those responsible for Vitali's incarceration.

Sadistic no-count killer Nanni Vitali and three other equally brutish hoodlums escape from prison. The foul foursome embark on a savage rape, murder, and robbery spree. Vitali even abducts and defiles frightened hapless lass Giuliana Caroli. Meanwhile, rugged police inspector Giulio Santini is determined to bag the despicable Vitali.—Woodyanders