Three friends Dan, Ondřej and Filip regularly meet at a renowned spa so that their band "Šviháci" can entertain local guests and they can enjoy a men's ride together. Everything would go according to plan if it hadn't suddenly turned out that one of them has a secret seven-year-old son at the spa, whom he has to take care of unplanned. Instead of enjoying themselves, the dandies quickly become full-time fathers. Neither Dan's loving wife nor Ondřej's jealous partner have any idea about what is going on at the spa. For now..