Isti, a junior official in the ministry, is a happy husband and father. He works all day to support his family, and gives his wife all the money she needs to bring home, as a proper husband should. But one day his colleagues are talking about female philandering, and Isti's jealousy flares up for no reason. In addition, he is let home early from work because of the holiday, causing a bit of a disturbance because his wife hasn't finished lunch yet. Isti is suspicious of everything, even her friend Évi gets her worked up. She and the woman have a row over four crowns, and Isti runs away from home to see her friend, the skirt-chasing Füredit. The two men set off together into the Pest night...