Brad, Steve, Hue, and Marvin are four get-nowhere boys who are forced into summer school, ending up at Cockswell Academy under the supervision of Principal Arsenault. The boys play a game where they earn points for every girl with which they score. On misadventures of their own, they decide to go for the ultimate 100-point score, Mona Lott, the new French teacher. But when they're unable to get a shot at her, they end up in the unforgiving clutches of the principal. After all is lost, they take one final chance during the school's anniversary celebration.

Rose is involved in a motorcycle accident, and has experimental surgery performed in order to save her life. However, she develops a taste for blood. Her victims grow in number as well as madness, turning the city into chaos.