A law student from a lower caste begins a friendship with his classmate, a girl who belongs to a higher caste, and the men in her family start giving him trouble over this.

On the way back from his bachelor's party, Kumar and his best friend, Balaji, get caught smuggling liquor. What follows are their hilarious attempts to get to the wedding in time.

The film is about a man called Sannasi, who heads Thara Thappattai, a Karagattam troupe. Tharai Thappattai exposes how this art is slowly dying, and why we are all the worse for it.