The atrocities of a landlord lead one brother to the life of a dacoit while the younger brother becomes a police officer. However, things take a turn when they are pitted against each other.

Pazhani has two children — Chandiran and Meena. Meena is married. Chandiran loves Pankajam. His father and grandmother want him to marry a relative girl, Thangam, who is very helpful to the family. But Chandiran marries Pankajam defying them. Although brought in for comic relief, the ever-loveable J. P. Chandrababu and his milkman character became the real irresistible pull of this family melodrama. Director A. Bhimsingh—a rare talent to have successes in both South Indian and Hindi cinemas—masterfully blends lightness and pathos.

Sankar is an ambitious man who wants to make it big through fair means. However, the friend he works under, Sampath, begins to use corrupt measures to make them rich.

Manickam, whose father works for the landlord, is always at loggerheads with the landlord's son due to his cruel ways. Manickam also forcibly marries the landlord's daughter after winning a challenge.

The fate of a small child, Lakshmi, changes when she wins a lottery ticket. All her relatives, who were indifferent to her sufferings, change their attitude and shower her with love.

Manickam and Vairam get married but soon separate due to misunderstandings. Later, Manickam remarries Thangam, who dies leaving behind a daughter due to complications during childbirth.

The role played by Major Sundarrajan becomes very attached to his four elephants after they save his life. His wife, however, fears for her child and tells him that he must choose between the animals and his family.

Valliammai is from a rich family and is a devotee of Lord Karthikeya. She marries Kandan and after many prayers, they are blessed with a son but on the condition that he will die when he turns eight.

Mohan, the eldest son of a middle class family believes that he should be superior in everything. He falls in love with Radha and gets married to her. However, issues arise when his wife is forced to go out to work as his job doesn't pay him enough for everyone. This leads to a strain in their relationship as the fact that his wife is more successful, irks him and he ends up doing odd jobs to earn more money. Radha ignorant of his husband's jealousy decides to conduct Mohan's sister Suseela's wedding. But with Mohan adamant to do things on his own, will he and Radha be keep their differences aside for their family?