1961 film by Aarne Tarkas

The cold and ruthless Bruno is married to Karen. Together they seek out poor and defenseless people offering them life insurance policies. Bruno and Karen make sure that it pays off. A movie about insurance scams. Inspector Susikoski investigates.

Dr. Aitamaa is spending holiday with his family at their summer villa. He accidentally reads a letter that was meant to his wife. The letter is from another man. Aitamaa follows his wife to the city and finds out that she has a lover. Later the wife is found killed and Aitamaa becomes the prime suspect.

A rich widow is found dead in her apartment in Helsinki due to gas poisoning. The incident is initially thought to be an accident, but inspector Palmu notices that the murderer made a mistake, and so Palmu, Kokki and Virta begin the investigation: who had come to the apartment through the balcony door and opened the gas tap while Mrs. Skrof was asleep?