Lekeli melek (1969)

Selma lives a poor life with her sister Leyla and her alcoholic father. Leyla is the mistress of a rich man called Ziya. Selma gets a job as a secretary and her boss Suat turns out to be the man who Leyla has had a short affair with. Selma and Suat fall in love and decide to get married, but Suat's family doesn't accept her as their bride.