The Falcon's Brother

Plot synopsis:
Sleuth Gay Lawrence (George Sanders), known as "The Falcon," with his assistant, "Lefty" (Don Barclay), arrive at dockside to meet a Latin American cruise ship. On board is Lawrence's brother, Tom (Tom Conway) who is pronounced dead, a victim of suicide by homicide inspector Timothy Donovan (Cliff Clark). Diane Medford (Gwili Andre), Tom's shipboard companion offers sympathy, but Lawrence has Lefty tail her, as he already knew the body in the cabin was not his brother.
Tracking Diane to a fashion show at the salon of her employer Madame Arlette (Charlotte Wynters), Diane is greeted by her fiancé, fashion editor Paul Harrington (James Newill). Two other ship passengers, Latin American dancers Carmela (Amanda Varela) and Valdez (George J. Lewis) are there. Reporter Marcia Brooks (Jane Randolph) recognizes the Falcon, who follows Diane into her office. A shot rings out and Diane falls dead. The Falcon runs into the alley behind the salon and encounters his brother, Tom.
Inspector Donovan arrives at the scene and arrests Lefty while the Falcon is run down by a speeding car. Tom takes his unconscious brother to his apartment, where Marcia seeks information about the murder. Lefty is released with a suspended sentence, and learns that his boss will soon recover. Marcia informs Tom that the murder weapon is missing, prompting Tom to return to Arlette's salon to investigate.
Seeing Arlette at a nightclub, Tom informs her that the police have gun from the murder scene and are tracing its serial number. Arlette phones the Police Inspector and gives them Tom's whereabouts. Tom and Lefty search Arlette's, where they find the missing gun hidden in a mannequin. Donovan tracks them down at the salon, and when Tom introduces himself, the inspector arrests him for false impersonation, believing Tom Lawrence is dead.
After proving his identity, Tom is freed and directs Marcia to investigate Harrington's photographer, Savitski (Andre Charlot). Tom confronts Arlette with the gun, forcing her to admit that she hid the weapon to protect her love, Harrington who denies murdering Diane and is exonerated by a ballistics expert. Marcia discovers that Savitski is an illegal alien. After smoking a cigar, and about to reveal a clue about mass murders to Tom and Lefty, Savitski falls dead, dropping a pile of magazines.
Deducing that Savitski was killed by a poisoned cigar, the same way the suicide victim on the ship, was killed, Tom instructs Lefty to pose as the photographer when Valdez and Carmela enter his office with guns drawn. When Tom steps out of the shadows, the pair identify themselves as Mexican counter-espionage agents and explain that Diane was killed because she knew too much. After Tom notifies Donovan of Savitski's murder, he brings back the photographer's magazines. Certain that Harrington is involved in the murders, Tom and Lefty realize a magazine cover dated December 7, prophesying the Pearl Harbor attack and another magazine cover indicates an incident will take place that day at a New England inn.
Tom and Marcia speed off to stop the sabotage, while The Falcon regains consciousness and joins Lefty on a trip to New England where German agents have been preparing for an attack, and Harrington is one of them. After capturing Tom and Marcia and locking them in a bell tower, the agents go ahead with their plan to assassinate a Latin American envoy as his aircraft lands. Tom manages to ring the bell, just as his brother steps in front of the diplomat, sacrificing his own life for that of an ally. With the spy ring smashed, Tom takes up where his brother left, becoming the new Falcon.

Tags: murder

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