Professor Dooley takes home a duck from his research laboratory as a toy for his son, but soon finds out that it lays golden eggs.

Bozenka, a worker from a large bank, believes that only those who buy, truly live their life. And there is always not enough money! The reason for her frustration is also her husband, Stasiunek, who should be a devilish lover of the most beautiful women in the world, but in fact he is a lazy bumbler. And then one day she gets a chance…

Mabuti accidentally finds a stash of money that could bring an end to her family’s financial problems: is the solution that simple or is it loaded with complications?