Aditya alias Adi (Madhavan) is a cosmopolitan guy whose life revolves around fags, beer, fast cars and babes. Ganga (Jyotika) is a village belle, who has passed her +2 with state second rank. The parents of Adi and Ganga decide to unite the two in wedlock.

Adi wants to enjoy his city-slicker life. Ganga wants to do future studies and become an engineer. Ganga and Adi unite together and mastermind plans to sabotage the wedding. To their chagrin, all their plans go haywire. It's wedding time now. When they realize that they are about to get married and they are going to stay together forever, they start reacting positively to each other and come to the reality of accepting the marriage.

A misunderstanding caused by an unrelated person creates riots in the wedding party and the respective parents of 'about-to-be-wedded' couple calls off the marriage. The boy goes back to city to enjoy his favorite pastime. The girl joins an engineering college to realize her goal. There they meet again, as friends. The friendship blossoms into love. As these birds are in love, their parents are at loggerheads.

Will Adi and Ganga ever experience the 'sound of marriage' - Dum Dum Dum again? You should watch this sensuously essayed luscious love poem unveil on the silver screen amidst the mellifluous music of Karthik Raja yourself to enjoy the experience.