In the last movie a cyborg was sent from the future to kill Sarah Connor, but he failed. Now a much more powerful one sent from the future to kill Sarah's son - John Connor, the leader of the future rebels. A terminator was send from the future once more, but this time to protect Connor. The only problem is that the terminator who was send to kill Connor is much more powerful and clever than the one who was send to protect him. Moreover, none can help Connor, since they do not believe in robots. Now Connor and his protector has no choice but to survive on their own.