The husband and wife Ludva and Hedus Homolkas with their twins Péta and Máta and Ludva's parents - the granny and grandpa - arrive in the snowy Spindleruv Mlýn for a holiday. They promise to each other that they will not spoil the quite expensive holiday by quarrels. If somebody hurts the other one he/she will kneel as a punishment.
The firemen of a provincial Czechoslovakian town throw a ball in honor of the old chief's retirement. There will be music and dancing, a beauty pageant and a raffle. The whole town will be in attendance. However, the proceedings are dogged by difficulty at every step. Workplace injuries, stolen prizes, a shortage of pretty girls... and fire.
