Ponnappan (Radha Ravi), Uzhagappan (S. S. Chandran) and Azhagappan (Venniradai Moorthy) are three naive villagers who come to Chennai for becoming wealthy. However, they are cheated by the townsfolk. They decide to join hands and they begin to look for an intelligent, bachelor and good partner. The first one who comes to their mind is the lord Ganapathi. They then sign a contract with the lord (statue) : in five years time, Ganapathi will have the quarter of their benefit. The Gurukkal is the witness of this deal. To help them, Ganapathi himself appears as a human (Visu) and he becomes their partner. Five years later, Ponnappan, Uzhagappan and Azhagappan become wealthy and arrogant men. One day, the Gurukkal asks them the quarter of their benefit as promised to build a temple but Ponnappan, Uzhagappan and Azhagappan refuse it categorically. Ganapathi is shocked for being betrayed and decides to teach them a lesson.
Thangamani (S. Ve. Shekher) and Rangamani (Murali) are very close friends. Rangamani, an unemployed youth, is in love with Meena, the daughter of a rich man (Bailvaan Ranganathan). While Thangamani is the son of a leading lawyer (Venniradai Moorthy) who is also the legal advisor to Sivagangai Gopalakrishnan (S. S. Chandran) who is a very big businessman.
Sathyanathan, Punyakodi and their partners are an atrocious lot. They keep suppressing the villagers and do not even allow them to get proper education due to fear of losing control over the village.
The story is about two unemployed youths Sahadevan(Mohan) and Mahadevan (S. V. Shekhar) become a detective to solve Kaveri(Madhuri)'s problem. Who is Love interest of Sahadevan. Adiyapatham(S.S.Chandran) is a politician who is going to open a party for children. Adiyapatham is too affectionate and love with Chinnamani(Kovai Sarala). Mahadevan is unemployed youth in a village and he ran away from his three daughters of his uncle after he came to Madras (Chennai) he went Sahadevan's rental house and he got a problem with house owner(S.N.Parvathy)