A rich man bequeaths seven keys to seven of his friends, but only one will unlock the door to untold wealth.
Inspector Dick Martin
Assistant Detective Holmes
Sybil Lansdown
Dr. Antonio Staletti
Lawyer Warren D. Haveloc
Emily Cody
Bertram Cody
Pheeny
Sir John
Tom Cawler
1961
1988
1971
1965
2020
1990
1975
1951
2011
1999
1977
1940
1981
2010
1997
2002
1966
