Off-duty cop John McClane is gripped with a feeling of déjà vu when, on a snowy Christmas Eve in the nation’s capital, terrorists seize a major international airport, holding thousands of holiday travelers hostage. Renegade military commandos led by a murderous rogue officer plot to rescue a drug lord from justice and are prepared for every contingency except one: McClane’s smart-mouthed heroics.

Pop McKenzie, his grandchildren, and their beloved horse, Sam, live in a humble home in Sydney, Australia. When a Japanese developer decides to build a hotel, the McKenzie's find themselves threatened to become uprooted from their home.