Soeara Berbisa

Through diligence and hard work, a young villager named Mardiman, has developed a successful career as a scribe. His wife, Warsiah, and her family have been unable to help him advance his career, as none of them have any influence. Not long after Warsiah gives birth to a son, Mardiman is promoted and asked to work in the city. There he becomes infatuated with a sophisticated city woman, one who is more "modern" than Warsiah.

Although they are siblings, Asnah and Kumala have very different characters. The older sister Asnah is rude while Kumala is kind. Asnah is attracted to Safi'i, but he is more interested in softhearted Kumala. Out of disappointment, Asnah runs off to the city and becomes a singer. Meanwhile Kumala has to borrow money from a loan shark to get medical treatment for her sick mother. It turns out that Asnah is married to the loan shark. Finally, Kumala runs into Safi’I, who is in a taskforce aimed at eradicating illegal money lending, and he helps her to solve the problem.