The small city of Tarker's Mill is startled by a series of sadistic murders. The population fears that this is the work of a maniac. During a search a mysterious, hairy creature is observed. This strange appearance is noticed once a month. People lock themselves up at night, but there's one boy who's still outside, he's preparing the barbecue.

A runner, serving a life sentence at Folsom Prison, works at becoming the world's fastest miler and wins a chance to compete for a spot on the Olympic team.