Story: Siddhant Dheer lives a wealthy lifestyle with his brother, Shashank, and sister, Anu. Both Siddhant and Shashank work for India's Anti-Terrorist Cell (ATC), along with Aditya and Aditi. After interrogating a suspect named Altaf, they get information that terrorists are planning a major strike in Canada that may endanger 25000 lives during the month of May. Altaf tells them the mastermind behind ... ...detailed story of Dus