Falke and Grosz are entrusted with a delicate task under strict discretion: 17-year-old Juan Mendez (Riccardo Campione) has disappeared from a fine boarding school where celebrities and elites from business and politics have their children educated. Juan's father is the ambassador of an authoritarian country whose president is about to pay a state visit to Germany. The questionable despot is known for having members of the opposition and journalists arrested and tortured. While Juan's girlfriend Hanna (Valerie Stoll) fears the worst, his best friend August (Anselm Ferdinand Bresgott) suspects that the boy just wants to avoid the official celebrations of the state visit.
Whatever is behind it, Juan's disappearance puts the Bergson couple (Katarina Gaub and Christian Erdmann), who run the school, in distress. The good reputation of the school is its most important asset. In the course of the investigations by Falke and Grosz, the boy's bodyguard comes under suspicion, especially when a blackmail letter appears: Juan's kidnappers are trying to free imprisoned opponents of the regime and journalists...