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...
1978
1975
1935
2006
1967
2014
2013
2001
2011
2008
2017
1991
1947
2000
1996
1949
1997
