A serial killer who announces his actions by letter keeps the Stuttgart investigators in suspense. A "1" appears in the letter that is addressed to Lannert and Bootz. What is behind it will soon become a sad reality. On the same day, a woman is shot long range on the open road. The cartridge case that is found has an "1" engraved on it. The second letter contains a claim for money. However, the perpetrator cannot be caught when the money is handed over and a second murder occurs. At the second crime scene, traces of red nail polish are found in addition to the cartridge case. Another trail. When the commissioners examine the lives of the murdered, they come closer to the drama behind the murders.
—Hexer71