The pastry chef Roswitha Hertel receives a surprise visit from Texas: Dave Henigan wants to trace the story of his father, a US soldier who was stationed in Passau after the end of the war. Roswitha and her half-brother Arthur hope to learn more about their own family history with the Texan's appearance. Mia Bader, an aspiring journalist at the "Passauer Kurier", immediately senses an exciting story here. But when Mia is followed at night and the Texan disappears without a trace, her mother, Frederike Bader, an ex-police officer from Berlin, fears that her witness protection cover has been blown: the unconventional investigator duo Frederike and private detective Ferdinand Zankl are feverishly searching for the connections between all the events .
—ADR Das Erste