A man and his ship are sunk in Lake Constance and the dead man's son is missing. For the detectives, he is the prime suspect. Until an anonymous tip-off about a prisoner hidden in a box turns up...
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Character: Elena Barin
Character: Achim Schatz
Character: Britta Heinemann
Character: Hanno Kienle
Character: Lars Reimann
Character: Stefan Eisel
Character: Melanie
Character: Eva Raddatz
Character: Dr. Müller
Character: Coroner
Character: Henry Budde
Character: Friedrich
Character: Matze
Character: Stefan
Character: Moritz
Character: Lars
Character: Christian
Character: Policeman
Character: Nadeschka
Character: Mrs. Stadler
Character: Chan-Wook
Character: Herbert Schneider
Character: Eva Raddatz
Character: (uncredited)