Iconoclastic, take-no-prisoners cop John McClane, finds himself for the first time 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.
Rachel Singer is a former Mossad agent who tried to capture a notorious Nazi war criminal – the Surgeon of Birkenau – in a secret Israeli mission that ended with his death on the streets of East Berlin. Now, 30 years later, a man claiming to be the doctor has surfaced, and Rachel must return to Eastern Europe to uncover the truth. Overwhelmed by haunting memories of her younger self and her two fellow agents, the still-celebrated heroine must relive the trauma of those events and confront the debt she has incurred.
In the dark heart of a sprawling, anonymous city, two assassins carry out a sinister mission, a teacher battles a fatal illness, and an enigmatic janitor and a curious waitress lead dangerous double lives. Murderous consequences unravel in the dead of night, as their lives intertwine at the hands of a mysterious criminal mastermind who is hell-bent on revenge.
