After years of slapdash sequels and waning fandom, the Camp Miasma slasher franchise is handed over to an enthusiastic young director (Hannah Einbinder, Hacks) for resurrection. But when she visits the original movie’s star (Gillian Anderson, The X-Files, Sex Education), a now-reclusive actress shrouded in mystery, the two women fall into a blood-soaked world of desire, fear, and delirium.