The Fern Flower (1979)

Original title: Квітка папороті

There lived a Ukrainian lad. He was nice and not stupid, but poverty prevented him from choosing a wife that he loved. To achieve his goal, he went on a very dangerous and serious step, having sold his soul to evil powers. Since then, his life has changed dramatically, becoming prosperous and even luxurious, but the hour of reckoning will come, which inevitably puts pressure on the protagonist...