Sinopsis:
Iconoclastic, take-no-prisoners cop John
McClane, for the first time, finds himself on foreign soil after
traveling to Moscow to help his wayward son Jack – unaware that Jack is
really a highly-trained CIA operative out to stop a nuclear weapons
heist.
With the Russian underworld in
pursuit, and battling a countdown to war, the two McClanes discover that
their opposing methods make them unstoppable heroes.