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.
Filmography links and data courtesy of The Internet Movie Database.