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...
1991
1954
2007
1947
1994
1959
1972
1961
1963
1996
1964
1990
1970
1976
1975
1973
1980