Three young Satanists, Terry, Elliot, and Warren, perform an obscure ritual deep in the woods. Terry may or may not be dead after an accident freeing Warren's car from the mud. Elliot and Warren decide to follow a distant light in hopes of finding help. But the ritual has changed things. After witnessing unexplained bird explosions and unusual tree behavior, Elliot and Warren find themselves pursued by the most heinous of Satanic manifestations.