When Jenny McCleary leases her property to be ravaged by the annual mud bog races, the small rural town of Sabal Bay, Florida, is divided into warring camps: environmental activists versus monster truck fans. Jenny, who frequents the consignment store owned by Eve Appel and her friend Madeleine, doesn't seem to mind when Eve and Madeleine join the protesters the day of the races. During the race, Eve catches Jenny's airborne head after it is tossed into the air by the wheels of a truck. Now every protester is a suspect in Jenny's murder. What's left of her alligator-gnawed body is found...