The film starts with a flashback. ACP Bose (Karthik) is a sincere police officer happily married. He lives with his parents and younger brother Velu (Arun Vijay). Velu is a college student, and he falls in love with his classmate Anjali (Dhansika). Enters Umapathi (Chandrasekar), the villain who is notorious for settlements and land deals. Anjali comes across Bose when she is on a field trip from her college with her friends. She gets friendly with his daughter Pinky, who tells her that she would get her introduced to her uncle Velu, and they would make a good pair. It turns out that Velu studies in Anjali’s college and soon after, they come to know each other and get close.
Bose investigate the case of Umapathi, whom no one has been able to touch. He is even involved with a land deal involving crores of money which is completely illegal and others including the DIG is involved. When the chairman of the bank who has lent money for the deal demands the money back as the deal has not worked, Umapathi eliminates him.