Kannan is a gangster who rules the crime-infested town of Kotha. After getting humiliated by Kannan and his men, CI Shahul Haasan tactfully plots the return of former gangster named Kotha Rajendran alias "Raju", thus leading to a transformative turn of events.

Detective Kaniyan Poonkundran is hungry for a challenging case to investigate and the mystery of a murdered dog leads to a rival who could be the match for him.