 Little Tommy, son of the wealthy and very busy German industrialist Max Klausner, is on vacation with his father on the island of Sardinia. Just as the holiday starts, however, the young boy is kidnapped. Since Max is being blackmailed by a shady business partner he decides not to cooperate with the police, but instead plays the part of the ice-cool businessman who refuses all negotiations with the kidnappers, and flies back to Berlin to start a search for his son from there by himself. Meanwhile his son has been taken to Tuscany, where the Sardinian Tonino Sanna and a brutal stablekeeper named Furio are keeping him prisoner in a remote house. Werner Schröder, a secret service employee hired by Max, stumbles across the kidnappers  whereabouts. To drive them into a corner, Max and Werner plan the kidnap of Sanna s son Francesco so that he can be exchanged for Tommy. Sanna finally agrees to the deal and lets Tommy go ¾ but ends up losing his life. Max decides to take care of Francesco from now on, having discovered love and paternal feelings for his son.