This fairy tale tells about famous Ukrainian warriors Cossacks, about Paradise and hell, Christmas and evil forces.  The Devil makes an agreement with St. Peter. If he can capture the best Cossack warrior and hold him until Christmas night, he will be able to wipe all the Cossacks off the map. The script for the movie is based on Sashko Lirnyk's story "About an old Cossack, a Christmas devil, four horns and a Cossacks".

Infernal Guidon, or Cossack Christmas

A young college student and a group of friends find themselves victims of demons unwillingly released during a mishap at a prestiguous university. To reverse the curse and save themselves, they travel to the forbidden mystical forest in western Ukraine. There, they must locate the legendary Molfars that can help rid them of demonic possession and save each of them from certain death. Danger lurks in the forest and personality clashes add to the tension as the young students fight for survival.