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...
Elena Barin
Achim Schatz
Britta Heinemann
Hanno Kienle
Lars Reimann
Stefan Eisel
Melanie
Eva Raddatz
Dr. Müller
Coroner
Henry Budde
Friedrich
Matze
Stefan
Moritz
Lars
Christian
Policeman
Nadeschka
Mrs. Stadler
Chan-Wook
Herbert Schneider
Eva Raddatz
(uncredited)
