A group of camp counselors trying to reopen a summer camp called Crystal Lake, which has a grim past, are stalked by a mysterious killer.

After being stabbed in the head by Chris Higgins. Jason Vorhees is believed to be dead and is taken to a Hospital for an Autopsy. However, He is Alive and kills a Doctor and a Nurse and is loose once more. He Returns to Camp Crystal Lake where Young Boy Tommy Jarvis lives with his Mother and Older Sister. A Group of Teenagers move in to a House next door to the Jarvis House. Jason begins killing the Teenagers and kills Tommy's Mother. It's now up to Tommy and His Older Sister to kill Jason and end his murderous rampage once and for all.

Claude Bukowski leaves the family ranch in Oklahoma for New York where he is rapidly embraced into the hippie group of youngsters led by Berger, yet he's already been drafted. He soon falls in love with Sheila Franklin, a rich girl but still a rebel inside.

Anxious about his future after high school, a 19-year-old Italian-American from Brooklyn tries to escape the harsh reality of his bleak family life by dominating the dance floor at the local disco.