King of the Underworld | 1938
A female surgeon finds herself tangled up with the Mob after her husband, also a surgeon, agrees to become the doctor of a gangster in order to pay off his gambling debts. The wife gets suspicious of her husband's absences and follows him to the gangster's hideout. That night, the police raid the joint and her husband is murdered by the gangsters who believed he ratted upon them. Afterwards, the woman vows to get revenge on the gangsters who killed her husband and ruined her life.