Darmaji is reassigned from Jakarta to Parit Timah in Pangkal Pinang. He works there with Sumanto who has a low morale at work. When Darmaji reprimands Sumanto's work performance, the latter is angered and brings his friend, Rakhman the smuggler, to fight with Darmaji. During the fight, Rakhman is accidentally killed. Then Sumanto accuses Darmaji as the killer and the latter is sentenced to prison. Later, Sumanto's lie is revealed, and Darmaji is set free.