Twin brothers who have been cat-and-mouse right from inside their mother's womb get separated when they are young. What happens to their enmity once they meet again?

Prabhu, a swindler, pretends to be in love with Pooja, a wealthy businessman's daughter, to steal an expensive diamond. He soon meets Pooja's sister, Indu, and realises he is attracted to her.

Aravindan borrows a huge sum of money for his sister's marriage. Soon, as he strives hard to repay the moneylender, he finds himself in the middle of a vicious debt trap.

Naam Iruvar is a 1985 Indian Tamil film, directed by R. Krishnamoorthy and produced by A. V. M. Kumaran.