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.

A social worker rescues a pretty young woman from an old rich landlord who wants to marry her. Enraged by this, the landlord falsely accuses the social worker of murdering his employee.

Sivakami, a rich woman, rescues Kaveri when Manickam, her lover, tries to kill her. Meanwhile, Manickam wants to marry Sivakami but she loves Dhamotharan.

A man, who goes from rags to riches, forgets his humble past. However, his daughter's loyalty towards her poor and sick husband proves an eye-opener for him.