With the agreement of both parents, Hanny is engaged to Doctor Iwan. The couple have a big fight when Iwan becomes jealous after seeing Hanny dancing with Johny. Iwan and Johny also have a fight at the nightclub. Then Hanny runs away to meet Johny, leader of the gang “Dosa di Atas Dosa”. She is taken to the gang‘s hideout and realises who Johny really is, and how other girls also became his victim. Hanny escapes and the police manage to disband Johny’s gang. But later Hanny dies in an accident and Johny ends up in prison.