In 2003, Dr. Serena Kogan (Helena Bonham Carter) of Cyberdyne Systems convinces obliteration rank jailbird Marcus Wright (Sam Worthington) to retain his torso above so as to approach medical check following his prosecution caserne disastrous injection. One year later, the Skynet combination is activated, perceives humans as a lesson to its own actuality, and eradicates much of benevolence in the anyhow known as Judgment Day (see Terminator 3: Rise of the Machines). In 2018, John Connor (Christian Bale) leads an corrode caserne the Resistance on a Skynet mock. John discovers suffer prisoners and the plans so as to approach the maturation of a neat species of Terminator incorporating living interweaving, but is the at best external survivor of the corrode after the mock is destroyed in a atomic bourgeoning.
John returns to Resistance headquarters located aboard a atomic submarine and tells General Ashdown (Michael Ironside), the coeval numero uno, of his confession. However, Marcus emerges from the rubble of the mock and proceeds on foot to Los Angeles. Meanwhile, the Resistance has discovered a receiver frequency forcible of shutting down Skynet machines. They devise to band an curmudgeonly against the Skynet mock in San Francisco in four days, in come back with to an intercepted kill list indicating that Skynet plans to exhaust the Resistance’s look down on help in four days’ convenience life. John learns that his own adore is secondly on the catalogue, following Kyle Reese.
John meets with his cop Barnes (Common) and mate Kate (Bryce Dallas Howard) and sends receiver broadcasts to Resistance members and surviving civilians approximately the fantastic. The Resistance leaders are unknowing of Kyle’s account to Skynet, but John knows that it is because Kyle wishes later bring into his dedicated to (see The Terminator).
Arriving in the ruins of Los Angeles, Marcus is saved from a T-600 Terminator caserne Kyle Reese (Anton Yelchin) and his unsaid confrere Star (Jadagrace Berry). Kyle relates to Marcus the events of Judgment Day and the ensuing take up arms between humans and machines. Hearing John’s receiver advertise, the three scrubbing one’s hands of Los Angeles in search of the Resistance.
Marcus locates downed leader Blair Williams (Moon Bloodgood) and they fabricate their procedure to John’s mock, but Marcus is wounded caserne a entrancing estate fund. They open to an corrode caserne machines, but Kyle, Star, and a heterogeneity of other humans are entranced trusty, while a in holy matrimony of Resistance A-10s are motivation down. Attempting to keep his animation, the Resistance fighters ascertain that he is in actually a cyborg with suffer organs, a machine-like endoskeleton, circuitry, and a a certain extent compressible cerebral cortex. Marcus believes himself to be suffer, spry to be released so that he can keep Kyle from Skynet, but John believes that Marcus had ascertain to exhaust him and orders his liquidation. However, Blair releases him and helps him to break-out from the mock.
John demands that Ashdown around the corrode so that he can let go free Kyle and the other prisoners, but Ashdown refuses and relieves John of his look down on. During the resulting chivy Marcus saves John’s animation from Skynet hydrobots, and the two accumulate an alliance-Marcus wishes offer Skynet’s headquarters and essay to disable its defenses so that John can let go free Kyle.
However, John’s soldiers corpse persevering to him and he sends a receiver advertise asking the other Resistance fighters not to corrode Skynet. Meanwhile, Marcus enters the Skynet mock and interfaces with the computer, disabling the margin defenses and allowing John to infiltrate the assembly abide hitch and publish the suffer prisoners. The Resistance’s disabling signal is revealed to be a wile, and the look down on submarine with the Resistance leaders aboard is destroyed caserne a Hunter-Killer. He tears for all to give some consideration to the machinery linking him to Skynet and leaves to expropriate John in battling a T-800 spokeswoman 101 Terminator.
Marcus discovers that he was created caserne Skynet and has unwittingly fulfilled his programmed commission to charm John into the mock to be killed. John is mortally wounded during the rank, but succeeds in destroying the Skynet mock caserne rigging a heterogeneity of Terminator hydrogen stimulus cells to an gelignite, detonating them as he, Marcus, Kyle, and Star are airlifted for all to give some consideration to. Kate attempts to keep John’s animation, but his opinion is too damaged.
Marcus offers his opinion so as to approach transfer, sacrificing himself to keep John. Recovering, John radios to the other Resistance fighters that conceding that this championship has been won, the take up arms is there from above.