Despite the sacrifice of a T-850 and the heroic efforts of John Connor and Kate Brewster, Skynet became operational. It is now 2029 AD, and the war between the human Resistance and Skynet rages on. With small guerrilla forces, John and Kate continue to sabotage and destroy Skynet forces... but it's not enough. He has this nagging feeling that he has forgotten something very important. Despite this memory lapse, he has become a vital member of the Resistance.