by their neighbor Ethel Hubbard as Eddie and Tina have made a habit of engaging in sexual intercourse on her property. For this reason, Matt forbids the group from venturing outside the facility's premises. Vic Faden, another patient in the institute, is gripped by a fit of madness caused by Joey's constant pestering and brutally kills him with an axe, leading to his arrest. That evening, two greasers Vinnie and Pete are murdered by an unseen assailant after their car breaks down, and a diner waitress and her boyfriend are killed the following night. The sheriff hypothesizes that Jason Voorhees has come back to life and is the perpetrator of these murders, while Tommy himself is rendered a suspicious party. The next morning, Eddie and Tina disobediently go into the forest and have sex. They are spotted by Ethel's farmhand Raymond Joffroy who is killed soon after. After returning from washing off in the creek, Eddie finds that Tina has been murdered, and he soon meets the same fate. Meanwhile, Reggie begs his grandfather for a visit to his brother Demon, who has just returned to town, and Pam offers to accompany him while bringing Tommy along. As Pam and Reggie enjoy some enchiladas with Demon and his girlfriend Anita, Tommy meets Ethel's son Junior and gets into a fight with him, but then runs away into the forest after realizing his actions. After Pam and Reggie leave to find Tommy, Demon has a severe case of diarrhea from the enchiladas and runs to the outhouse. While using the outhouse, he and Anita are slaughtered. Upon Pam and Reggie's return to the institute, they are warned of the disappearance of Matt and Reggie's grandfather. Pam goes to search for them, entrusting Reggie to Violet, Jake, and Robin. At this time, Ethel and Junior are killed, as are Jake, Robin, and Violet after Reggie falls asleep. Reggie awakens just as Pam returns, and they discover the trio's corpses in Tommy's room. Moments later, the killer, seemingly a resurrected Jason Voorhees, bursts into the house. After a long chase in which Pam and Reggie find the corpses of Matt and Reggie's grandfather, Jason is struck by a tractor and then lured into a barn. Tommy returns and is attacked by Jason, but defends himself. Eventually, Tommy throws Jason from the loft window onto a tractor harrow, killing him instantly. In the process