A man in London tries to help a counterespionage agent. But when the agent is killed and the man stands accused, he must go on the run to both save himself and also stop a spy ring which is trying to steal top secret information.
In the words of the great man himself, 'Drama is life with the dull bits cut out'; certainly, there isn't a dull moment to be found in this consistently superb collection of Hitchcock's directorial efforts.
Check your “Rear Window”, perhaps in the “North by Northwest” direction. You are in luck, no “Psycho” there but beware of “Strangers on a Train” as they may be a "Touch of Evil".