A teenage boy is hired along with the music group of his father by a Zamindar (landlord) for entertaining him until the annual flood is over in the Haor region of East Bengal. But the boy finds out that he has to do something more than the rest of the members of the group are required- he has to satisfy the landlord sensually as well. The wife of the landlord cannot stand this new 'rival' of hers and conspires to kill the boy.
Muhib lost his parents at a early age and brought up by his sister. After the marriage of his sister Jeba, he comes along with his sister in his brother-in-law's house. He grows up with strict rules by his brother-in-law. But for the sake of his sister's happiness, he bears all of this. Muhib is in a deep relationship with Oru. They married each other in a court with the presence of his friends. But they cannot stay together as Muhib has to leave the town for his job. Muhib dreams for a new life with Oru but a mishap changes everything.
Religious prejudice and racial dogmatism are the curse of Mohanpur, a backwater village out of touch with progress in the contemporary world. But, as depicted in the film Brihonnola, humanity has the strength to combat and neutralist the poisonous effects of these evils on the lives of the villagers.
