Hijack seems to be an action thriller. It is about Vikram Madan (Shiney Ahuja) who is a ground maintenance officer at the Chandigarh airport. He has only one close friend, Rajeev, who is the Security Chief of the same airport. As luck would have it, the flight in which Vikram’s daughter was traveling to Amritsar from Delhi, is hijacked. A group of six terrorists takes control of the airplane to secure release of Maqsood (K. K. Raina) who had been captured by the Indian police. The flight is forced to land at Chandigarh airport. The terrorists demand the release of Maqsood and threaten to kill the hostages. The mastermind of this terrorist group is a man named Abdullah who remains a mystery till the end.
Now, Vikram is faced with the dilemma of being the only man who can sneak inside the aircraft to his daughter Priya. Once he sneaks into the aircraft with the help of the airhostess, Saira (Esha Deol), he starts plotting and killing the terrorists one by one. Some innocent passengers too become victims of the gunshots by ruthless terrorists in the process. In the end, Vikram and Saira manage to save the day.