A summer`s day. Sixteen-year-old Hedvika arrives in Ostrava. At the same time Libuse Zahradníková is conspiring with her lover Emil Kucera at a bistro, secretly observed by the crime investigator Bauch. A baby kidnapped a week before in front of a shop is found dead in the deserted waiting room at the health center. The three events become the focus of attention of the Ostrava police crime squad.