Baskar and Vasanthi are college-mates. A naughty girl creates misunderstanding between them, and an enraged Vasanthi complains to the college dean, who immediately dismisses Baskar. Now left homeless, Baskar however manages to get employed at a tea company, and gets to stay with his close friend Sampath. Vasanthi approaches Baskar and apologises for her cruel act. Baskar forgives her, and they both fall in love. Vasanthi lives with her mother and her elder sister Geetha who is unmarried. Baskar rents the vacant portion of their house. Over time, Vasanthi passes her exams and gets employed.

Chandrasekaran, an industrialist, is very successful in his business and has a loving family. His three sons and two daughters live happily as one family. He brings up an orphan, Rangan (Sivaji Ganesan), who is utterly devoted to the family. Calamity strikes the family in the form of loss in business. The last daughter's marriage gets cancelled. The brothers and their wives ill-treat their parents and Rangan and his wife. Seeing this Chandrasekaran has no choice to ask Rangan and his wife leave their house. Aftermath Chandrasekaran dies a broken-hearted man leaving his wife and youngest daughter to be in their children's merciless hospitality. Rangan, with his simplicity and pure-hardheartedness, takes it upon himself to look after the mother and sister. In the end, he proves that love and affection is the greatest wealth.

The story of the complete Ramayana, from the birth of Lord Rama to his Pattabhisheka after completing his exile.