In 1972 Santa Cruz, Calif., police concern a number of serial killers are working on the identical time, as human stays wash upon the shores of the seaside group; victims embody kids, college students, pedestrians and hitchhikers. The story and actuality of Edmund Kemper, the "Co-Ed Killer" who seems to be a mild big who provides rides to younger feminine hitchhikers however is definitely a perverted monster with a tormented childhood and darkish sexual fantasies.