A corrupt policeman hires four teenagers, Aravindan, Madurai, Pandi and Kuttymani to kidnap Selvanayagam, a minister. But he is unaware that the boys have their own score to settle with Selvanayagam.

“Nungambakkam” is based on the real-life incident of Swathi, a 24-year-old Chennai-based Software engineer who was stabbed to death at Nungambakkam railway station in 2016.

As the state’s police start eliminating the criminal gang of Daniel, a notorious terrorist, there arises a challenger, Thalaivan, who seems to be a bigger threat to the police department.