Mitra and Neng Mardinah are in love with each other. This makes Mardjohan jealous. So he spreads viscious rumors that Mitra is the son of a criminal. Mitra leaves town out of frustration. One day, Mardjohan has an accident, and is saved by Mitra. At home, Mardjohan's mother recognizes Mitra as her long lost son. Mitra is Mardjohan's brother.
Soedrajat abuses his high social status in order to womanise and becomes his rich uncle's heir despite the latter having a son, the kindly and noble Soelarsa. The uncle is disappointed with Soelarsa and considers Soedrajat the better man. Being considered high class, he is unwilling to associate with people of the lower classes. Ultimately Soedrajat falls for a beautiful young woman, Koestijah. Meanwhile, Soelarsa saves Koestijah's life while driving a truck through her village; the two fall in love at first sight. By manipulating Koestijah's father, Soedrajat arranges for her to marry him.
Kustini, the daughter of Retnaningsih and Winata, has a lover named Sujono. But Sujono betrays her. The girl is slandered and Winanta punishes her. Following his own conscience, Sujono arrives at Mega Mendung, and reunites with Kustini.
