 Once again, New York cop John McClane is in the wrong place at the wrong time - this time he s waiting for his wife s plane to arrive at Washington s Dulles Airport when he uncovers a plot to sabotage the airport s landing system. The criminals wish to free a drug baron being extradited to America for trial by holding the airport to ransom until they all safely escape on another plane. However, if they d known that Holly McClane was on a flight home to the very airport they were hijacking, they would have picked another day.