Tamizhselvi, a little girl, is the darling of the Kathiresan household. She is fond of her pet rooster Paapa, but her grandfather Kathiresan plans to offer Paapa as a sacrifice to their god in the interest of his family. What happens when the rooster goes missing?

Murugan is the go-to man for MLA 'Jacket' Janakiraman who is in the good books of the minister of state. Murugan falls in love with an aspiring cop, Archana and tries to make her a cop using his rapport with Jacket. The minister on his deathbed, confides with Jacket where he has stashed billions of cash but an irked relative leads him into an accident that wipes out his memory. Murugan and Jacket's attempts wriggle out of the situation is what the rest of the movie has in store.