In Coimbatore, Mayilsamy (Sathyaraj) is a pickpocket who is determined to make it big in life, by hook or crook. After being released from jail, his friend "Palladam" Bhaskar (Dhadha Muthukumar) advises him to go to Chennai and to join the gang of Kota Subramaniam (Ponnambalam). In the meantime, Kota Subramaniam who is in Coimbatore pressures the innocent village belle Pappu (Devayani) to marry him. Mayilsamy then comes across Kota Subramaniam, he beats him up and steals his money. A politician (Senthil), who witnessed the scene, asks Mayilsamy to marry Pappu in exchange for money promised by the government for those who marry girls from financially weak families. Mayilsamy marries her and deserts her soon after. In Chennai, Mayilsamy tries to find Kota Subramaniam. The petty thief "Suitcase" Subbu (Vivek) who used to steal suitcases for a living is now cheating under the name of Dr John Britto, a psychiatrist doctor. When Mayilsamy tries to escape from the police, he ends in the asylu