S. A. Asokan

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.

A criminal, Chelladurai, frames the innocent Dharmalingam for a crime which leads to the latter being jailed. Years later, Dharmalingam returns to take revenge and establish contact with his family.

Despite being his daughter, Rani is not allowed to acknowledge Muthiah as her father. She works in his office and falls in love with a co-worker, but Muthiah opposes their relationship.

Scientist Murugan has a formula that can harness energy from lightening. A rival wants it for his evil plans. When Murugan disappears, his brother goes around the world to find him and save the world.

Ethirpaaraathathu narrates the story of star-crossed lovers Sundar (Sivaji Ganesan) and Sumathi (Padmini) in whose house Sundar, a college student, lodges. Both dream of a happy, married life, but that is not to be. Sundar is involved in an air crash and is believed to be dead. However, he survives the crash and loses his eyesight. Unwilling to face his father (Nagaiah), he tries to lead a life on his own. Destiny takes over their lives and the widowed father marries Sumathi and on the wedding night, the husband realises that his son and bride are sweethearts. Broken-hearted, he leaves home and wanders around visiting temples and holy places.

After four brothers get killed in succession, Vimalanathan and his niece, Susila, are the sole survivors. So, Bhaskar, Susila's lover, tries to find the stalker who is hunting his lover's family.

An evil man kills Vengaiyan's father and enslaves all his people. Vengaiyan is ignorant and wild but Jeeva helps him evolve into a valiant and wise man, who then swears to right his people.

Kadiraesan studies hard and fulfils his mother's dream of becoming a college professor. He tries to reform his friend but gets blamed for the murder of a student instead.