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...
1971
1980
1992
1942
2008
1967
1991
1990
1994
1986
1998
1976
2022
1966
2023
1989
1924
