Arjun, an IPS aspirant turned kind-hearted gangster, learns that Pathaan, a notorious terrorist, wants to exact revenge on his principled mother Vyjayanthi, an honest IPS officer, and sets out to protect Vyjayanthi and their bond is put to the test.

A British secret agent takes up the job of solving a dark mystery. He is led into a web of love, deceit and betrayal. His success and failure can change the course of history.