Josef Kolář

Tram driver Marie has far too much to do after her shift is over. But she likes to do it all since she loves her husband Václav sincerely. One day she spots him on the Lesser Town Square in Prague, kissing an attractive blonde good-bye. It seems to Marie that her small comfortable world has collapsed and she walks out of the tram in tears. But her sadness does not last long. She wipes off the tears and begins to act. She withdraws all the money from their savings books and buys off all the latest models from the Fashion Works. The visit to the beauty salon then completes her transformation into a lady.

An only son, Jirí Valenta (Jaromír Hanzlík), has been drafted to the army. At the barracks he acquires the nickname Seamstress because he sews rugs in his spare time. One day, his friend introduces him to Julka Vávrová (Jorga Kotrbová), a girl he is desperate to get rid of. The naive Jirí falls in love with the girl and accepts her invitation to spend Easter together in the country. There he learns that the girl is the single mother of the young boy Martínek, whose father is the married tractor driver.

During an unsuccessful burglary attempt, Jaroslav accidentally kills his old neighbour. His wife, Dana, concocts a plan to make the murder seem like an accident. Another neighbour stands in the way, however, whom they also have to eliminate. Dana convinces Jaroslav to help her. They attempt to use this incident to solve some of their financial problems. With the vision of easy money, the Stodolas start killing elderly people. Initially, they proceed to cover up the murders as accidents or suicide and the police do not do much to prove it otherwise.