Selma is a secretary. She makes marriage plans with his boss's son Erol. The gangster Savas wants to rob Erol's factory. Belma, who is a singer in his club, resembles very much Selma. Erol's men kidnap Selma, and Belma takes her place. However Belma really falls in love with Erol and goes to talk with Savas to influence him to give up harming Erol. Selma is blamed for the robbery, and has been put into prison for a crime she has not committed. Belma confesses everything in the court and is prisoned while Selma returns to Erol.