When PCP gets into the water supply of a city zoo, the drug-crazed beasts - including tigers, lions, hyenas and elephants - go berserk and rampage through the streets of Frankfurt. What follows is a terrifying mix of actual animal attacks (supervised by professional circus trainers) and over-the-top '80s Italian gore that remains "the greatest eco-revenge shocker in EuroCult history" (DVD Beaver).
