Another non-related sequel to the Beyond the Door series, this one rarely has anything to do with Chi sei?/Beyond the Door (1974) or Schock/Beyond the Door II (1977). With this one a shy co-ed and her class mates travel to Europe to see a ritual. With a Satanist/Professor with them he lures them into deadly traps to become sacrifices to Satan. One co-ed is a virgin the main key to bring Satan back to life. But can the co-ed lose her virginity before Satan controls the world?