Velan's(Kamal Hassan) mother tells him to find his cousin Sumathi(Khushboo) who lives in the city and marry her. Velan sets out to the city to find Sumathi and meet his friend Mano who is living with his 3 friends - Goundamani, Charlie and Vadivelu. The four help him in his endeavor and the consequent adventures form the rest of the movie.