Polash has come to Dhaka for some work of his school in the village. He boards in the house of Mr. Jalal, who is a friend of his father. However, Polash falls into various difficulties to get the job done for his school. Wherever he goes, he becomes the victim of corruption. In one such incident, Mr. Jalal suffers a heart attack being humiliated, and passes away. Polash then starts a war against corruption.