The film unravels the relationship between a father, who doesn't know cycling and his son who is keen in learning cycling set in Katheri village in a summer of 1980s.

A feel good nostalgic story set in 1980's village in TamilNadu. Mariappan a fifth grade student wants to learn bicycle along with his friends in a summer vacation and claim Ooratchi Koattai hill temple. His father `Nataraja Service' Kandhasamy, who doesn't know to ride a cycle against Mariappan. How a ride on a day becomes a life changing for both Mariappan, his friends and his father. Did he achieve his aim of reaching the top of OoratchiKoattai?