1988 Two friends, Abby and Gretchen, who have known each other since school, are studying at the university. At another student party, Gretchen disappears in the forest, but upon returning, she assures that nothing happened to her, she just got lost. After this, her behavior changes dramatically - from a friendly, albeit withdrawn, girl, she becomes irritable and gloomy, and inexplicable phenomena occur more and more often around her.

Trying to find out what is happening, Abby begins to suspect that her friend is possessed by demonic powers. Soon, initially innocent events develop into real bloody horror and the game is no longer life and death. Only Abby doesn’t yet know that sometimes an exorcism can be worse than any possession.