Deng and his younger brother Dodoy are orphaned in an early age. As a witness to his father's death he is constantly haunted by deep traumas that are triggered by the sound of dogs barking. He goes home one day and finds out that his brother's medicine has ran out. Deng will work out through the day to make money.
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.
When the White House (Secret Service Code: "Olympus") is captured by a terrorist mastermind and the President is kidnapped, disgraced former Presidential guard Mike Banning finds himself trapped within the building.
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.