The heroes of the small-town story are former friends Standa Stuchlík and Robert Sura, who become arch enemies, and not only because of their classmate Zuzana, whom they both like. While Robert, the dude, has rich parents who spoil him and buy him everything he asks for, Standa has to earn a hard living playing in a rock band, working part-time in the boiler room and constantly defending his hobby against his parents' disdain. His only support is his uncle Edda, also a musician.

A remote cottage becomes the scene of a thrilling drama: two criminals who have robbed a car transporting payroll money break into the weekend home. They capture the residents and hold them hostage to protect themselves from the encroaching police siege. However, director Dušan Trančík is more interested in portraying social ills, especially ruthlessness and petty bourgeoisie, than in telling a thrilling crime story involving a double murder.