Udhaynidhi Stalin and Santhanam are close friends. Udhaynidhi falls head-over-heels in love with Nayantara, a bank employee the moment he sees her. Nayantara has faced ten days imprisonment for a crime! And when she narrates her past to Udhaynidhi, he finds it extremely funny and laughs out loud which hurts her sentiment and now they part way. Whether they come out of this misunderstanding is the rest of the movie