The Pay-Off (1930) aka: The Losing Game

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A thug robs a young engaged couple of their last few dollars. When the thug's gang boss hears of the robbery, he gives them back their money and takes them under his wing. The thug, resentful of the couple, plans to organize a mutiny against the gang's boss, but when he is killed in a botched robbery, the police focus their attention on the young couple.