Chief lady inspector Sakthi (Shruti Hariharan) is forced to take a decision between her job as a cop and bringing justice to a victim. While investigating a high-profile case, Sakthi finds a lead that throws her off-guard. That is, until she digs deep and realizes that the system is corrupted to the roots. How she takes up the challenge of bringing about a change and whether she succeeds in doing so, makes up for the rest of the story.