Neo and Bane lie unconscious in the medical bay of the ship Hammer. Meanwhile, Neo finds his digital self trapped in a virtual subway station—-named, "Mobil Ave.", "mobil", being an anagram for "limbo"-a transition zone between the Matrix and the Machine City. In that subway station, he meets a "family" of programs, including a girl named Sati, whose father tells Neo the subway is controlled by the Trainman, an exiled program loyal to the Merovingian. When Neo tries to board a train with the family, the Trainman refuses and overpowers him.
L'an 2563, 300 ans après que la Terre a connu une catastrophe appelée "l'effondrement" consécutive à une guerre contre Mars. Dans la ville d'Iron City infestée par le crime, le Dr Dyson Ido, médecin spécialisé dans les augmentations biomécaniques, cherche des pièces détachées dans une décharge à ciel ouvert venant de Zalem, dernière cité céleste de la planète, surplombant Iron City, et où chacun rêve d'aller. Ido trouve le corps d'une cyborg en piteux état. Il va alors la ramener dans sa clinique pour la réparer. La jeune cyborg se réveille, réparée mais amnésique. Le docteur Ido la rebaptise Alita (du prénom de sa fille décédée) et lui fait découvrir le monde dans lequel ils survivent. Mais Alita se découvre des réflexes combatifs et une force surhumaine, veut toujours en savoir plus et aller plus loin. Elle fait la connaissance d'Hugo, un jeune revendeur de pièces détachées auquel elle se lie rapidement. Alita va tenter de comprendre qui elle est réellement et d'où elle vient. Elle croise la route du terrible Vector, qui contrôle les matches du sport ultra-populaire de la ville, le Motorball.
In 1989, Kevin Flynn, software engineer and the CEO of ENCOM International, disappears. Twenty years later, his son Sam, now ENCOM's primary shareholder, takes little interest in the company beyond playing an annual prank on its board of directors.
The FBI responds to a brief computer outage at their Cyber-Security Division by tracing down top computer hackers, finding several of them have been killed. Taking others into protective custody, the FBI asks New York City Police Department detective John McClane (Bruce Willis) to bring in Matthew "Matt" Farrell (Justin Long), one of the targeted hackers. McClane finally arrives just in time to prevent Farrell from being killed by assassins working for Mai Linh (Maggie Q), a mysterious cyber-terrorist who works for her boss and love interest, Thomas Gabriel (Timothy Olyphant).
In 2003, Dr. Serena Kogan (Helena Bonham Carter) of Cyberdyne Systems convinces death row inmate Marcus Wright (Sam Worthington) to sign over his body for medical research following his execution. One year later, the automated Skynet system is activated, begins to perceive humans as a threat, and eradicates much of humanity with nuclear weapons in the event known as "Judgment Day".
Tourists Ben Hildebrand and Eric Kirby decide to parasail around the island of Isla Sorna. A creature of unknown species attacks and kills the boat crew as it passes through a fog bank, but Ben uncouples the line, and with Eric bound with him, he goes sailing into the wilderness.
In 2029, aboard the United States Air Force space station Oberon, Leo Davidson works closely with primates who are trained for space missions. His favorite simian co-worker is a chimpanzee named Pericles. With a deadly electromagnetic storm approaching the station, a small space pod piloted by Pericles is used to probe the storm. Pericles's pod heads into the storm and disappears. Against his commanding officer's orders, Leo takes a second pod and goes in pursuit of Pericles. Entering the storm, Leo loses contact with the Oberon and crashes on a planet called Ashlar in the year 5021. He discovers that the world is ruled by humanoid apes who can speak human language and treat human beings as slaves.
In the aftermath of the death of Dracula's wife Martha (Jackie Sandler) at the hands of an angry mob, Count Dracula (Adam Sandler) designs and builds a massive five-star hotel in Transylvania in which to raise his daughter Mavis (Selena Gomez) and to serve as a getaway for all the world's monsters.
In April 2054, Washington, D.C. has a special police force called PreCrime that stops murderers before they act. Murders are predicted using three Precogs, mutated humans who "previsualize" crimes by receiving visions of the future. Over the past six years, PreCrime has successfully reduced the city's murder rate to zero, and the Federal government is on the verge of adopting it, even though the public finds it controversial. Captain John Anderton (Tom Cruise), the head of PreCrime, has been suffering from drug addiction since the unresolved disappearance of his son, Sean, which led to his wife, Lara (Kathryn Morris), divorcing him. With PreCrime poised to go nationwide, the system is being audited by Danny Witwer (Colin Farrell), an agent from the United States Department of Justice. In the middle of the audit, the Precogs generate a new prediction, one saying that Anderton will murder a man named Leo Crow in thirty-six hours. Anderton does not know Crow, but flees the area as Witwer begins a manhunt.
In 1887, Transylvanian Doctor Victor Frankenstein brings to life his Monster with the aid of his assistant Igor and Count Dracula. After Dracula betrays and kills Doctor Frankenstein, the Monster escapes to a windmill, which is burned down by a pursuing mob. The mob flees as Dracula and his three brides mourn the loss of the Monster.
In 2154, Earth is overpopulated and polluted. Most of the earth's citizens live in poverty, on the edge of starvation, and with little technology and medical care. The rich and powerful live on Elysium — a gigantic, terraformed space habitat located in Earth's orbit. Elysium is technologically advanced; such technology includes Med-Bays: medical machines that can cure all diseases, reverse the aging process and regenerate new body parts. A long-running feud exists between the wealthy residents of Elysium and the citizens of Earth, who want Elysian technology to cure their medical ailments.
In 2084, Earthbound construction worker Douglas Quaid is having troubling dreams about Mars and a mysterious woman there. His wife Lori dismisses the dreams and discourages him from thinking about Mars, where the governor, Vilos Cohaagen, is fighting rebels while searching for a rumored alien artifact located in the mines. At "Rekall", a company that provides memory implants of vacations, Quaid opts for a memory trip to Mars as a secret agent fantasy. However, during the procedure, before the memory is implanted, something goes wrong, and the story diverges between the question of what is real and what is hallucination. Apparently, Quaid starts revealing previously suppressed memories of actually being a secret agent. The company sedates him, wipes his memory of the visit, and sends him home. On the way home, Quaid is attacked by his friend Harry and some construction coworkers; he is forced to kill them, revealing elite fighting-skills. He is then attacked in his apartment by Lori, who reveals that she was never his wife; their marriage was just a false memory implant and Cohaagen sent her as an agent to monitor Quaid. He is then attacked and pursued by armed thugs led by Richter, Lori's real husband and Cohaagen's operative.
En 1998, trois ans après avoir écarté la menace de Skynet, Sarah et John Connor profitent de la vie sur une plage de Livingston, au Guatemala, lorsqu'ils sont soudainement attaqués par un Terminator T-800. Renvoyé dans le temps par Skynet avant son effacement, le Terminator assassine John avant de disparaître.
En 2049, des humanoïdes issus du génie biologique, appelés réplicants, ont été intégrés dans la société pour assurer la survie de l'humanité. K, l'un des plus récents modèles conçus pour obéir, travaille comme blade runner au LAPD. Sa mission consiste surtout à pourchasser et éliminer les anciens modèles délinquants.