From IMDb: Tough mobster Mahlon Keane practically runs crime in New York City. He meets broke ex-society girl Rhoda Philbrooke at a society fundraiser and helps her cheat her way to some winnings in poker. Rhoda needs the money to help nurse broken alcoholic concert violinist Tony Vaughan back to health.

From IMDb: A ruthless but clever gangster who knows every loophole in the law has the tables turned by a dedicated District Attorney and his assistant. Stars: Anne Nagel and Robert Kent This movie can also be found here and here.