The Deadly Affair (1967)

Charles Dobbs is a British secret agent investigating the apparent suicide of Foreign Office official Samuel Fennan Dobbs suspects that Fennans wife Elsa a survivor of a Nazi Germany extermination camp might have some clues but other officials want Dobbs to drop the case So Dobbs hires a retiring inspector Mendel to quietly make inquiries Dobbs isnt at all sure as there are a number of anomalies that simply cant be explained away Dobbs is also having trouble at home with his errant wife whom he very much loves having frequent affairs Hes also pleased to see an old friend Dieter Frey who he recruited after the war With the assistance of a colleague and a retired policeman Dobbs tries to piece together just who is the spy and who in fact assassinated Fennan