A reputed cop from Tamil Nadu takes charge in Andhra Pradesh to solve the mysterious murder of a top police officer, and takes on local thugs and criminals during the course of his mission.

The story, set in the backdrop of Nallore, a small town in Thoothukudi District, revolves around Sub-Inspector Durai Singam, a brave and just policeman who serves in his hometown primarily to fulfill his father’s wish. Durai Singam settles every dispute in his town patiently with his words of wisdom and resorts to force only when the s...

Picking up the storyline from where Singam ended, Duraisingam has gone undercover after meeting the Home Minister and is working as an NCC officer in a school in Thoothukudi. The only people who know about this operation are the Chief Minister and Home Minister apart from himself.

A policeman accepts bribes from corrupt politicians and local thugs to help them in their illegal work. However, he decides to correct his mistakes after he falls in love with a woman.

A thug, with his partners, is chosen to work for a criminal gang and he becomes the left-hand man of the leader. The leader declares a war against another criminal and the thug has to protect him despite losing his friends.