Skynet has sent back a T-X to find and kill John Connor, mankinds last hope for survival in the coming war with the machines.
John's only hope is a single Terminator. But his protector is an outdated model, without the onboard weapons that is standard issue on a T-X.
Involved in a deadly pursuit, John knows that even with a Terminator at this side, his chances of survival diminish every second they stay on the run.
For the T-X, John's death is only a matter of time.