Delhi Airport's Chief Safety Officer, Om Prakash, is advised that his officers have apprehended 4 males on airport property, filming and taking images with out authorization. The 4 suspects are Ankit Sharma, his school-going brother, Dhruv; Rohan Goverdhan Malhotra, and Bulai. The suspects ridicule them and mockingly ask the guards to allow them to go. A examine of their belongings, together with a video digicam, exhibits footage of distinguished locations, prompting Om Prakash to summon Vijay D. Chauhan, from the Anti-Terrorist Squad. The latter exhibits up, is initially skeptical, however after he overhears a reasonably incriminating dialog between Ankit and a lady named Prachi, is satisfied that the 4 could also be terrorists and interrogates them. The 4 steadfastly deny their involvement in any terrorist exercise - however should withstand the state of affairs when a fifth suspect, a lady named Diana, claims that they belong to her group - which has already made plans to explode the airport at this time.