On Christmas Eve, mother jokingly informs her little son Petrik that the best present would probably be a belt. Petrik goes to the department store and buys a belt there for his mother, at the same time inviting people he met along the way, including a pickpocket.
First Lieutenant Vašátko (R. Lukavský) spends his Christmas vacation in a mountain hut, where a diverse company has gathered. There is the painter Horác (J. Kemr) and two married couples, the flirtatious director Skorkovský (J. Somr) with his young wife (H. Cocková), and his new discovery, the not-so-smart Jájinka (J. Kotrbová) with husband (I. Vyskocil). In this intimate environment, a murder takes place and then its unusual resolution...
.png)
