On his first station duty, Karuppu lets an accused escape, but when he recaptures him, a brutal attack changes his life forever.
Mocked by colleagues and burdened by a humiliating nickname, Karuppu struggles in the force until a major warrant case comes his way.
Determined to prove himself, Karuppu leads a warrant mission but ends up realising that nabbing criminals is tougher than donning the uniform.
The entire police station is stunned when Karuppu cracks a brutal murder case and controls a violent 15-member clash in a single day.
As the hunt for Kodaikanal Saravanan intensifies, Karuppu sets a honey trap to nab the notorious criminal.
Power and rage engulf Karuppu as he brutally breaks Saravanan’s leg in what appears to be an encounter.
Karuppu rises as the station’s most feared and trusted constable, but in the quest of solving others’ problems, he slowly begins to lose his own humanity.
A mysterious custodial death unsettles the department as Karuppu’s troubled past resurfaces, drawing his name into the enquiry.