It is a fairy tale for children and adolescents. It tells about famous warriors Cossacks and their families. It's about the Paradise and the Hell, Christmas and evil powers. The Devil strikes a deal with St. Peter. If he can capture the best Cossack warrior and hold him until the Christmas night, he will be able to wipe the entire Cossack nation off the map. After that, the Devil catches a Cossack warrior Simon by using underworld trickery. Meanwhile, Simon's parents are trying to save their son. Traditional heroes of the Ukrainian folklore come to help. As long as our hero tries to free himself, the devil creates a mighty army and transforms Semen's friends into witches. In the end, Simon finds his Cossack way out of captivity to freedom.