Dr Aamir Ali (Rajeev Khandelwal) a London based NRI is returning to India. On his arrival at Mumbai airport, he finds that he is not being attended by his family but by Trouble.. The trouble comes in the form of a mobile phone he is forced to accept by two unknown bikers. After a series of forced conversations with an unknown face, he comes to know that his family is in captivity of the callers and he has been the "chosen one" by the fundamentalists to plant a bomb in a bus. He has five hours to save his family. Aamir (the name means "Commander") is reduced to be a puppet in the hands of terrorists.. Next five hours, minute after minute, instructions after instructions, Aamir comes to terms with life and signifies the meaning of "Aamir"