The comedy tells the story of a lonely mother of a small, naughty and immediate son who sometimes unwittingly does some mischief. Not for nothing does the mom say that in a family where they have such a boy, they would need a belt. The perceptive Petřík does not hesitate and goes to buy her a belt as a present at the department store. On this occasion, he invites the elderly nice saleswoman to their home, because their grandmother has already died and their father is gone too. In the shop, she meets a purse snatcher who tricks the boy for his address. On Christmas Eve, the mother is surprised not only by unexpected visitors at home, but also by a sympathetic young policeman who has accompanied her son home...

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A comedy about two bumbling policemen investigating an alleged rape in a small Czech town. One of the alleged rapists is supposed to get married the day he's locked up.

六十年代末最成功的“保险箱”喜剧之一。故事发生在一个小镇上，时间跨度不到24小时。三个郁郁寡欢的主人公在酒精的影响下，被怀疑强奸了一位年轻的女售货员。而这位被认为遭到强奸的女孩后来收回了她的指控——这个指控当初多少是出于一时糊涂、部分是为了报复，归根结底也有些算计的成分。被指控的年轻人终于可以结婚，于是，一场盛大的婚礼就此开始。 这里的“trezorových komedií”（“保险箱喜剧”）是指在捷克斯洛伐克社会主义时期，一类避开政治内容、以轻松幽默为主的电影。这类电影通常被官方认可并允许发行，因此“保险箱”象征着它们的“安全性”。