Plot
Umayaal alias Uma is a Sri Lankan refugee marries her lover Krishnan alias Krishna, and together they become rich. Their married life is happy and they have four sons Natraj, Saravanan, Dileepan, and Prabhakaran. Uma and Krishnan alias Krishna have supported by Vaidyanathan alias Vaithi, Krishnan's maternal uncle's son. Vaidyanathan alias Vaithi disowned his parents after they tried to kill Krishna alias Krishna and Umayaal alias Uma for their love, and he has been supporting Umayaal alias Uma and Krishnan alias Krishna since then. Another supporter is Krishnan alias Krishna 's close friend Ayyavu, who with Krishnan alias Krishna starts a successful jewelry transport company with the help of Ayyavu's wife Eshwari.
Eshwari is not happy with having Krishnan alias Krishna and Umayaal alias Uma in partnership with the company, and throws Krishnan alias Krishna out of the company. Umayaal alias Uma gives Krishna her jewels and helps him start a new transport company named "UMAYAAL Alias UMA TRANSPORTS". Over time, Umayaal alias Uma Transports becomes successful and the couple grows rich. At the same time, Ayyavu faces loss and goes to jail, and his family become destitute. When Krishna learns of what has happened, he helps Ayyavu and offers him a job, working at Umayaal alias Uma Transports. He is highly loyal to Krishnan alias Krishna.
After 30 years of marriage, Umayaal alias Uma and Krishnan alias Krishna have a happy family, with their four grown-up sons - Natraj Krishnan alias Natraj, Saravanan Krishnan alias Saravana, Dileepan Krishnan alias Dileepa, and Prabhakaran Krishnan alias Prabha. Krishnan alias Krishna is now a local VIP and the couple are known for their generosity to the needy. Everyone respects them because of their impartiality towards the poor and rich. Umayaal alias Uma desires to lead a happy life with her four sons Natraj Krishnan and Saravanan Krishnan, Dileepan Krishnan, and Prabhakaran Krishnan and their wife's Avanthika, Bhoomika Kavitha, Swathi, and Isaipriya, and Uma and Krishnan's grandchildren Balachandran Maghizhni, Dwaraka.
Ayyavu, his brother ACP Rathnam and his daughter Sumathi are loyal and have a good friendship with Umayaal alias Uma family but Eshwari and their son Kannan are jealous of their wealth. Kannan plans to destroy their family and steal their assets. He is joined by Krishnan alias Krishna 's maternal uncle and his family who also seek revenge from them.
In the meantime,
Natraj Krishnan alias Natraj marries Avanthika
Saravanan alias Saravana marries Bhoomika
Dileepan alias Dileepa marries Kavitha later Swathi
Prabhakaran alias Prabha marries Nandhini later Isaipriya alias Isai.
Just as they start to lead a happy married life, many challenges come across in life due to the torture given by Krishnan alias Krishna's uncle Vinayagm, his daughter Geetha, her husband DCP Giridharan alias Giri, Giri's brother Dharma etc. The family loses Kavitha who is killed by Dharma thus forcing Dileepan to a remarriage with another of his Kutti Mani 's maternal uncle's daughter Swathi. However, without losing hope, they win in their life, Climax scene Dharma is shot by Ulaganaayagi who goes to Jail 3 mathavkalukuppu pirkku
Natraj Krishnan & Avanthika son Balachandran
Dileepan Krishnan & Kavitha daughter named Dwaraka,
Prabhakaran Krishnan & Isaipriya job in work happy ending.
