A biker gang visits a monastery where they encounter black-robed monks engaged in worshipping Satan. When the monks try to persuade one of the female bikers, Helen, to become a satanic sacrifice the bikers smash up the monastery and leave. The monks have the last laugh, though, as Helen, as a result of the satanic rituals, is now possessed and at night changes into a werewolf, with dire results for the biker gang. Written by
Doug Sederberg <firstname.lastname@example.org>
If you're hairy you belong on a motorbike!
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Did You Know?
MUTCD (Manual for Uniform Traffic Control Devices) 1971: Most of the roads traveled by the bikers in the film still have the pre-1971 MUTCD standards (white center lines). However, you will see the odd road that has been repainted in the yellow center line scheme and looks very fresh and half complete. The film was made when the MUTCD 1971 standards had just been released with most painting done between 1972 and 1974. See more
Crew visible when the gang first gets to the Satanic temple. The leader of the gang sees a Satanic cross and starts his monologue as he's heading toward it with the group. An individual is clearly seen in the high grass to the right of the screen. See more