This is an automatically translated description

Zlata has sworn for seven years to visit Jan, her missing husband's twin brother, on Christmas Eve. And stay with him until the morning in his castle in the mountains. Jan is a brilliant organist, but his music is evil. When he plays, stones fall from church towers, walls crack and lightning strikes the towers. This music is the scream of Adam, the exile from Paradise. The events take place in imaginary times, culturally close to the first half of the twentieth century. The story is allegorical, woven from fairy tale, biblical and mythological images and motifs.