Ajit, a driver, decides to take care of Chandu after an accident changes his perspective of life. He gives up everything in order to devote his time to Chandu's upbringing.

Mahaan Kanakku movie is tamil movie is directed by Sampath.Ramana is lead male role and pair with female lead role Rich Sniha.Music Director is A K Rishal Sai for the movie.

Viswanath (Rajnikanth), a famous lawyer, stays with his widowed mother (Vijayakumari) and physically handicapped sister (Uma). He sends Jegan, a rich magnate's son (Sathyaraj) and Lokaiya, two criminals to jail on the charge of rape and murder of an innocent girl. Jagan’s father, GMK (M N Nambiar) uses his influence and starts creating trouble in Viswanath’s life. GMK succeeds in getting Viswanath imprisoned on a trumped up charge. His heartbroken mother dies. Once out of jail, Viswanath sets out to punish the culprits when he temporarily loses his eyesight.

Gandhi Mahaan, a school teacher, is abandoned by his family after he decides to live a life of his own, with personal freedom.