The story of a middle-class man who works for a special cell of the National Investigation Agency. While he tries to protect the nation from terrorists, he also has to protect his family from the impact of his secretive, high-pressure, and low paying job.

A serial killer strikes back in London after laying low for three years. Amar, the investigating detective has since resigned from the job but is brought back to crack the case. Amar decides to return and resolve the case once and for all.