On the verge of Judgement Day, the most advanced Terminator unit ever, the T-X, arrives from the future to ensure the rise of the machines. The only hope against it is a new upgraded T-800 unit, the T-850, that is sent back by the human resistance. Together with John Connor, it must stop the rise of the machines or all humanity will fall.
A cyborg is sent from the future on a deadly mission. He has to kill Sarah Connor, a young woman whose life will have a great significance in years to come. Sarah has only one protector - Kyle Reese - also sent from the future.