Nallavanuku Nallavan is a Superhit Tamil film Directed by SP. Muthuraman, Music by Illayaraja, Produced by AVM, Starring Rajinikanth, Radhika, Karthick Visu, Major Sundararajan, Thulasi, Y.G. Mahendran and others
Rajnikant is a vibrant youth who cannot tolerate injustice. This attitude lands him in trouble. Radhika enters his life and later becomes his consort. She attempts to reform him. Thanks to Major Sundararajan and Visu she succeeds. Visu incurs a loss and plans to close his factory. Rajni persuades him to give him a chance to revive it and with hard efforts he repays all debts. As a token of gratitude Visu gives all his wealth to Rajni before his . Time passes by. Rajni in his middle age runs the factory to everyone's satisfaction. Rajni also controls the financial affairs of Visu's family. But Karthik, Visu's son is not in good terms with Rajni. Karthik tries to avenge Rajni by luring Rajni's daughter Thulasi. He brainwashes Thulasi and marries her much to the agony of Rajni and Radhika. The aftermath of this marriage is the climax.