The River Named Modhumoti 1996 on netflix

During the 1971 liberation war of Bangladesh, in a remote village, a landlord collaborated with the Pakistani army. After the death of his brother, he married his sister-in-law who had a young son. A teacher in the village, with a widowed daughter, taught the young man had a daughter. When the war broke out, the young man joined the Bengali guerrillas, shattering his innocence. In the village, the landlord’s action get worse and worse, until he kills the teacher and compels the daughter to marry him. Now the young man must return to his village with new determination.