In 2029, at the end of a war between humans and a network of AI computers, the computers send an inhuman, invincible cyborg (Arnold Schwarzenegger) back to 1984 to eliminate Sarah Connor (Linda Hamilton). One day she’ll be the mother of a son, John,who will lead a rebellion against the evil cyborg leaders of Earth’s future.
The resistance learns of the plan and sends a soldier back to protect Sarah from the Terminator. Kyle Reese (Michael Biehn) is to help her stave off the relentless robot. What follows is a race against time to see which of the time travelers reaches her first, with nothing less than the future of the human race hanging in the balance.