Forced to travel with her boyfriend to a horror festival, Laine begins to experience disturbing visions associated with the urban legend of The Creeper. As the festival arrives and the blood-soaked entertainment builds to a frenzy, she becomes the center of it while something unearthly has been summoned.

Set between the first and second film, Sgt Davis Tubbs assembles a task force to destroy the Creeper once and for all while growing closer than ever before to learning the secrets of its dark origins, as the monster terrorizes a local farming community.