Friday the 13th Part 2 (1981)

Five years after the massacre at Camp Crystal Lake, the nerve-wracking legend of Jason Voorhees and his diabolical mother lives on. Despite ominous warnings from the locals to stay away from 'Camp Blood,' a group of counselors at a nearby summer camp decide to explore the area where seven people were brutally slaughtered. All too soon, they encounter horrors of their own and the killing begins again.