The film revolves around Jennifer Check (Megan Fox), a popular high school student who, after a pact with her best friend Needy Lesnicki (Amanda Seyfried), becomes possessed by a demon following a gig at a remote Indian reservation. As Jennifer's behavior becomes more erratic and violent, Needy seeks to understand and ultimately stop her possessed friend.
The film revolves around Jennifer Check (Megan Fox), a popular high school student who, after a pact with her best friend Needy Lesnicki (Amanda Seyfried), becomes possessed by a demon following a gig at a remote Indian reservation. As Jennifer's behavior becomes more erratic and violent, Needy seeks to understand and ultimately stop her possessed friend.