After clearing brush for the government, a group of men return to town claiming their friend was abducted. Despite no apparent motive or evidence of foul play, no-one believes their story and his disappearance is treated as murder.
Ten years after the events of the original, a reprogrammed T-800 is sent back in time to protect young John Connor from the shape-shifting T-1000. Together with his mother Sarah, he fights to stop Skynet from triggering a nuclear apocalypse.