Scotland Yard detectives attempt to solve a spate of safe robberies across England beginning with clues found at the latest burglary in London. The film is notable for using a police procedural style made popular by Ealing in their 1950 film The Blue Lamp. It is known in the US as The Third Key.

The Verdict
1946
6.5/10

Black Angel
1946
6.1/10

The Glass Key
1942
6.6/10

Lady in the Lake
1946
6.1/10

The Naked City
1948
7.2/10

M
1951
6.4/10

The Blue Lamp
1950
6.6/10

The Mirror Crack'd
1980
6.1/10

They Made Me a Fugitive
1947
6.6/10

The Blue Gardenia
1953
6.5/10

Nightfall
1956
6.9/10

Murder!
1930
6.0/10

Blackmail
1929
6.5/10

Obsession
1949
6.8/10

The Dark Mirror
1946
7.0/10

Shadow of a Doubt
1943
7.5/10

Odd Man Out
1947
7.3/10

Witness to Murder
1954
6.3/10

The Mask of Dimitrios
1944
7.0/10

The Dark Past
1948
6.0/10
Johnny O'Clock
1947
6.27/10