Former stock-car racer Rod Tillman is hired to serve as the getaway driver for a band of Nazi bikers and their shared girlfriend Linda, who intend to go on a crime spree for kicks. The police contact Rod and task him with becoming a stoolie so the bikers can be brought to justice.

A group of biology students head to the Florida Everglades for a holiday, but instead of fun in the sun, they run into trouble with a mutated, bloodthirsty, and quite deadly jellyfish-man-monster.