A hero policeman shunted to a punishment posting as the Dean of the police academy decides to punish the corrupt bureaucracy and its criminal allies in return by training five lethal assassin policemen.

Young Raj Malhotra (Akshay Kumar) lives with his elder brother, Rohit; his sister-in-law Kiran, and a niece. After an accident fractures his leg, he is unable to walk for some time. Due to psychological reasons, he cannot walk even after the fracture heals. When the Malhotras move to Dehra Dun, Raj befriends young Kajal (Dutta), as both share a common passion for airplanes. Kajal encourages Raj to walk, and succeeds. Years later the two continue to be fast friends, and everyone expects them to marry soon. Then Raj is recruited by the Indian Air Force and goes for training for a year and a half. After his training gets over, he rushes to Kajal to propose to her, only to find out that she has given her heart to a multimillionaire, Karan Singhania (Verma), who owns several airplanes and choppers. Raj congratulates Kajal and Karan, but does not reveal his true feelings.

In 1948, a cross-fire erupts at an isolated stretch of Indo-Pak border, leaving only two soldiers alive. One is an Indian soldier of Pakistani origin while the other happens to be a Pakistani soldier of Indian origin. An ironic story of pride and survival begins when – in an attempt to evade danger, they bump into each other. And amidst continuous exchange of bullets, altercations and murkier situations, it evolves into a journey of human connection with an unforeseeable end.