Murugan is a diligent scooter mechanic in Madurai, whose life goes on smoothly until a rich schoolgirl named Aishwarya sets her eyes on him. The infatuation reaches dangerous levels when she coaxes Murugan to take her away from the clutches of her family, which has other plans about her future.

Thiyagu is a medico who leads a masked gang of four to abduct corrupt politicians and bureaucrats who use the loophole in law to enjoy their prison term in hospitals or guest houses. Deiva, a schoolgirl and daughter of the police officer who is hot on the trail of the mysterious gang, has a crush on Thiyagu, but she is not aware of his real identity.