After Midnight with Boston Blackie

After Midnight with Boston Blackie is a 1943 crime film, the fourth of a series ofColumbia Pictures movies starring Chester Morris as Boston Blackie. When a recently paroled friend of Boston Blackie is killed, he finds himself once again the prime suspect of Police Inspector Farraday.

He then heads to the Flamingo Club, run by Herschel and his associates. Slipping inside undetected, he spies through the keyhole of the door to Herschels office and sees the crook put the diamonds in his safe. After Herschel leaves, Blackie enters, cracks the safe and takes the jewels. However, before he can leave, Walsh and Beck enter. Thinking quickly, Blackie drops the diamonds in a pitcher of water. Unaware that Herschel double crossed them and had the real diamonds, Walsh and Beck exchange Betty for the fakes. Herschel returns too soon and exposes the fakes, but Blackie and Betty eventually manage to escape, aided by a citywide wartime practice blackout.Walsh figures out that Herschel is out for himself. When he cannot produce the diamonds, Herschel is shot and killed by Walsh. Blackie returns to retrieve the stones, and witnesses the murder. Afterward, he offers to give the jewels to Walsh for the location of Barnabys body. When the police close in, the pair sneak out and steal Inspector Farradays car. Blackie sets the radio to send without Walsh noticing, then gets him to confess all with the police listening in. Eventually, Blackie is able to turn the tables and turn Walsh over to the authorities. ........

Source: Wikipedia