Karel is the head of an insurance company and a model family man. He is happily married to Zdena, with whom he is raising two children, teenager Jirka and little Alenka, and their family leads a life that is as simple as it is rich. Karel is forced to spend his birthday on a business trip with his secretary, but he plans to return home the next morning. Early in the morning, he accidentally hits a little boy with his car, but Karel decides to leave the scene of the crime and hide his involvement in the tragic incident...