After years of slapdash sequels and waning fandom, the Camp Miasma slasher franchise is handed over to an enthusiastic young director for resurrection. But when she visits the original's star, a now-reclusive actress shrouded in mystery, the two women fall into a blood-soaked world of desire, fear, and delirium.

When twin brothers find a mysterious wind-up monkey, a series of outrageous deaths tear their family apart. Twenty-five years later, the monkey begins a new killing spree forcing the estranged brothers to confront the cursed toy.