An ex-special services veteran, down on his luck and desperate for work, takes a job as a security guard at a run-down mall in a rough area of town. On his first night on the job, he opens the door to a distraught and desperate young girl who has fled the hijacking of a Police motorcade that was transporting her to testify as a witness in a trial. Hot on her heels is the psychopathic hijacker and his team of henchmen, who will stop at nothing to extract and eliminate the witness.

When zombies overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. When the undead breach the island, our heros are forced to return to the mainland overrun with the undead.

Jennifer is a writer working on a new novel and, needing to get out of the city to finish it, hires a riverside apartment in upstate New York to finish her book—attracting the attention of a number of rowdy male locals.

Nathan Algren is an American hired to instruct the Japanese army in the ways of modern warfare, which finds him learning to respect the samurai and the honorable principles that rule them. Pressed to destroy the samurai's way of life in the name of modernization and open trade, Algren decides to become an ultimate warrior himself and to fight for their right to exist.

Los Angeles police officer Brian O'Conner must decide where his loyalty really lies when he becomes enamored with the street racing world he has been sent undercover to destroy.