The last survivor of a car crash is haunted by vengeful ghosts. Two women at an isolated cabin are stalked by a mysterious hermit.

Scientist Rita is in the field collecting samples, looking for an explanation for a mysterious phenomenon that is making the vegetation around a lake decompose from within. Determined to get to the bottom of the situation, Rita resolves to get some more samples from an area near the lake. She accidentally drops some of the sample on herself which causes an instantaneous effect on Rita. She sways on her feet. Hours later, her eyes snap open. Groggy, she rises, realizing that she's naked.