Ten-year-old David joins a sailing club. He trains hard and helps repair the sailing boats, but people have to take turns actually sailing. The club chairman Vala wants David to sail with his son Olda. Olda's previous team mate Béda has grown too fast, but with little David Olda could win a place on the regatta to Finland. Olda is arrogant and accustomed to winning with little effort; he bullies David and calls him "Greenhorn". He makes David his servant and blames him when things go wrong.

Captain Exner solves another detective mystery - this time while he's on vacation. The most elegant of Czech crime novelists has chosen a quiet town called Opolná as his place of well-deserved rest. But just as he arrives, the local shoemaker Rambousek, a famous (and wealthy) naive painter, is murdered.

A Czech film about love and marital crisis as a work injury.