Set in the late 1980s, school is out for the summer, and a sun-drenched season of firsts beckons the counselors at Camp Stillwater, a seemingly idyllic Midwestern summer camp, including first loves, first kisses—and first kills. Stillwater’s dark, ancient mythology awakens, and what was supposed to be a summer of fun soon turns into one of unforgettable scares and evil at every turn.