Father, Cokro, has a disagreement with the son, Baskoro, while there is a revolt of the factory workers in the cigarette factory. During the upheaval, Baskoro has an accident that forces him to stay at home and he loses his self-confidence. He falls in love with his nurse, Sumi, unaware that his stepmother is also attracted to him. The leader of the factory revolt, Prabowo, is really the illegitimate child of Cokro; while Sumi is also their little sister as their mother is now married to Doel, the chauffeur of the family. The narrative is complicated and twisted.

The biography of the Indonesian women's emancipatist, R.A. Kartini, based on her letters.