Keizer is a street artist educating the masses about the latest corruption. He fears self-censorship is yet to be undone as "people have created their own prisons." Elsewhere in Cairo, street art is burgeoning in a joyful expression of freedom. "It's the first time that I walk past things like these that express happiness and contentment", an old man explains, smiling. Karima Mansour is a choreographer whose dance expresses the complexities of a society in which there are veiled women, "but we also have women like me. I am a dancer working with the body." She now wants access to state-run theatres, something forbidden to independent artists under the old regime.
Life for former United Nations investigator Gerry Lane and his family seems content. Suddenly, the world is plagued by a mysterious infection turning whole human populations into rampaging mindless zombies.
Teacher Linda Sinclair (Julianne Moore) balances her staid home life with an incredible passion for her subject, but her routine is forever altered when a former star pupil and his unsupportive father reenter her life.
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.
A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.