Allison Kramer suffers recurring nightmares and selective amnesia, returning to camp to discover the truth as the secrets of infamous killer Angela Baker are revealed. [Production for this sequel to 'Sleepaway Camp III' (1989) was shut down after Double Helix Films went bankrupt in 1992, though the film was officially completed using archive footage and released on-demand beginning in 2012.]

Angela Baker escapes from a mental hospital and surfaces at a summer camp as a counselor who lectures her teenage charges on proper moral behavior. Those teens who break her strict rules -- from the camp chatterbox or a sex-obsessed girl to the boys who are peeping Toms -- are murdered by the impostor in various gruesome ways. As more campers go missing, intrepid counselor Molly begins to piece together the truth.

The uncle of an executed murderess relates four stories of his hometown, Oldfield, to a reporter. In the first, an elderly man pursues a romance with a younger woman, even to the grave and beyond. In the second, a wounded man on the run from creditors is rescued by a backwoods hermit who holds the secret to eternal life. In the third, a glass-eating carny pays the ultimate price for looking for love on the outside. And in the fourth, a group of Civil War soldiers are held captive by a household of orphans with strange intentions for them.

Tommy Jarvis, tormented by the fear that maybe Jason isn't really dead, unwittingly resurrects the mass murderer for another bloody rampage.