The film is based on the actual events of the Portland Spy Ring trial in the U.K. A disgruntled Navy Clerk is transferred to a secret research establishment and is subsequently black-mailed/paid by Czech intelligence to procure secrets for them. He seduces the secretary who controls the most secret documents, and they enjoy the fruits of their treachery until the British authorities begin to close in on them.
The Quiller Memorandum
1966
5.9/10
Time Without Pity
1957
6.5/10
Each Dawn I Die
1939
6.9/10
Nancy
2018
5.8/10
The Locket
1946
6.3/10
The Deadly Affair
1967
6.3/10
Oscar Shaw
2026
6.6/10
Topaz
1969
6.0/10
Pickup on South Street
1953
7.4/10
They Made Me a Fugitive
1947
6.6/10
Indemnity
2022
6.6/10
Point Blank
1967
7.1/10
Plunder Road
1957
6.9/10
The Truth About Emanuel
2013
6.0/10
Miss Marple: They Do It with Mirrors
1992
6.9/10
The Mirror Crack'd
1980
6.1/10
The Blue Lamp
1950
6.6/10
WarGames
1983
7.1/10
The Glass Key
1942
6.7/10
Lady in the Lake
1946
6.1/10
With No Expiration Date
1987
6.8/10
