National Pictures

Set against the backdrop of World War II, three brothers are separated by war while their sister Kalyani faces immense struggles after being widowed and left destitute. As each sibling endures hardship and societal injustice, their paths cross in unexpected ways, culminating in a dramatic courtroom trial that exposes the harsh realities of their world and sets the stage for a powerful family reunion.

Mohanasundaram, a philanderer and drunkard, gets married to Chandra after he returns to India. Though he has a wife, he develops a relationship with Kantha, a prostitute.

Sonar Harin brings out the grimy and shady side of society and demonstrates how often innocent people, under fate, fall into this sullied whirlpool.