Bálint Zeke, the honest old miller of the village, leaves his water-mill to Anna, his only daughter, while the will also provides for the mill to be managed by Forintos Mátyás, a young miller, whom he has been raising since he was very young and treats as his own son. The two young people seem to "like each other anyway", and their marriage would make the old man happy.
Pataky Elemér arrives in the capital as a victim in his niece's divorce case. Having to meet the lawyer dr. Orbói István is, however, an alibi in an effort to get away from his quarrelsome wife, and to have some fun at the same time. He takes the lawyer with him.
Szilárd, the wealthy and well-to-do manager, disgusted by the social life and the constant attacks of women, decides to spend a few days of vacation in the deserted archipelago of the Danube branch of Győr. He wants no people, no culture, no civilisation. But an accidental motorbike accident brings the unconscious Zsuzsanna to the island...
