The film follows brothers Chettan Bava and Aniyan Bava, and their driver Premachandran with whom the daughters of both the Bavas fall in love. This makes the Bavas enemies and it becomes their issue of pride on who will marry Premachandran. On top of this includes Sundaran trying to take Premachandran down.
Sandeep, a middle-aged bachelor who recently got a heart transplant, travels to Pune to attend the engagement of his heart-donor’s daughter, Haritha. Her engagement gets broken and Sandeep injures his back on the same day, forcing him to stay back in Pune for a few weeks, in his heart-donor’s house – who was an adventurous Colonel.
Subramani, Vellaisamy, Arumugam and Ponrasu are four friends from poor family; they are graduate but they cannot find a job. Their fathers feel that they are good-for-nothing and decide to corrupt the politician Anja Nenjam to find them a decent job. Anja Nenjam is linked to Pannaiyar, a ruthless landlord who exploited the villagers. Pannaiyar orders him to flee with their money, otherwise, nobody will respect him. Their friend Pazhanisamy, who is supposed to be a supervisor in the city, is back to his village and was also cheated by Anja Nenjam. The five friends decide to become milk suppliers in their village.