It is based on the first Inspector Palmu novel "Who Murdered Mrs. Skrof?" ("Kuka murhasi rouva Skrofin?") by Mika Waltari but was the second one filmed, after "Inspector Palmu's Mistake". Unlike the first film it was produced by Fennada-Filmi. According to director Kassila, Toivo Särkkä (the producer of the first film) didn't like the story of the novel and thus its rights were purchased by Fennada producer Mauno Mäkelä, who also produced the third movie "The Stars Will Tell, Inspector Palmu" (1962).