Paiyaa story is set on the backdrop of Bangalore and here lives Shiva (karthi) along with his friends. He is in a desperate need of job and his friends also help him. However, he has got an attitude that is hard to comprehend. Shiva's life takes a turn when he sees Charulatha (Tamannah) and it is love at first sight for him. One day, he goes to the railway station in a friend's car to receive someone when Charulatha along with her uncle come and get inside the car. They assume him to be the car driver and compel him to take them to Chennai. Midway, during a stop, Charu asks Shiva to dump her uncle and they set off to Mumbai. Why did they go there? What is Shiva's link with Mumbai? Who is Bali (milind soman)? All this forms the rest of the story.