Marlies Schrey, wife of the knitwear manufacturer Gerd Schrey, is killed in front of the terrace of a popular excursion restaurant in broad daylight - and nobody has seen anything. Since Marlies was tied up and gagged, Kira Dorn and Lessing assume that the kidnapping was unsuccessful. The assumption is confirmed when shortly afterwards they find a ransom demand of over two million euros in the Villa Schrey. Gerd was also kidnapped, so it is up to his son Maik to find the money. The Schreys have signed a kidnap and ransom policy that is about to expire. Did Gerd Schrey stage his own kidnapping to save his ailing company? Maik, who is courting his father's favor, is also targeted by the investigators, because Marlies was his stepmother and the relationship between the two was extremely difficult. When one of the kidnappers is found dead and Maik takes off for the transfer of money with Gerd's sports plane, are there indications that the allegedly estranged father-son team has forged a ...