As a teenager, Kattavarayan has to take care of his younger siblings after their parents go missing. The children are taken in by an elderly priest, but Kattavarayan discovers that the priest plans to sell his sister. To protect his sister, Kattavarayan kills the priest, and the children flee to Chennai. Years later, Kattavarayan becomes an entrepreneur who owns a food truck and continues to take care of his family. When his younger brother, Muthu, gets involved in a power struggle between two crime lords and a police commissioner, Kattavarayan must navigate the criminal underworld to protect his family and himself.