It's Christmas Eve and 21 year old Dede, has chosen to not spend it with family, instead is traveling with two close friends to a party. Her younger twin sisters travel in another direction back home. The closer Dede gets to her destination, the more she realizes the distance between her and her sisters is not just geographical. When she receives a phone call about the twins' car accident, she examines their past in hope of finding a moment that will help her turn back time.
Ray Breslin is the world's foremost authority on structural security. After analyzing every high security prison and learning a vast array of survival skills so he can design escape-proof prisons, his skills are put to the test.
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.