Krishna Kumar, an idler, swaps roles with his hardworking wife as a challenge, in the presence of God. However, their lives turn upside down as God refuses to let them go back to their normal routine.

In a time of civil disobedience in the erstwhile Madras state, a ruthless intelligent officer turns up with a duty to track down rebels. Chezhian and his brother Chinndurai are of different personalities, one a hardworking fireman, the other a rebel. A deadly game of cat and mouse ensues as Chezhian is forced to abandon his peaceful ways to protect his people and takes on the mighty forces, culminating in a fierce battle for justice.

A young woman encounters a supernatural presence in her grandmother's home.