The murder of a female GP in a rural playground in front of numerous witnesses draws a group of detectives into an ever-darkening mystery that takes them across Europe, aided by mysterious notes sent by the "Ghost Detective".
1992
2019
1973
2005
2011
2009
2023
1951
2008
1958
1964
2006
1967
1974
1968
2024
2017
1971
