Siska (
Christine Hakim), a young woman, was
heartbroken after her
fiancé broke off their engagement. Unwilling to see his sister
depressed, her brother Johnny introduced her to his friend Leo, who is known as a
womanizer. Leo manages to make Siska happy. However, unknown to Siska, Leo was only interested in her as part of a bet. After overhearing Leo discussing the bet with his friends, Siska runs away from Leo and is found by
night club pianist Helmi. Helmi blackmails Siska into marrying him, threatening to tell her mother that her father is
having an affair with a younger woman. Eventually becoming unable to stand Helmi's actions, Siska returns to Leo. == Cast ==