The imperial councilor Ullik decides to modernize his old mills by installing a new turbine. His eccentric brother-in-law Artuš tries to prevent this, as the construction work disrupts the statics of the tower in which he lives. Ullik's older daughter Tynda is a talented singer. The bewitched girl secretly accepts the courtship of the virile Václav, the son of the night watchman. Her younger sister, the doctor Marie, wins the... see more