in 2003 and in the longview state correctional facility and the criminal marcus wright ( sam worthington ) that be in the death row be convince by the cancerous dr. serena kogan ( helena bonham carter ) to donate his body to her research and he accept . in 2018 and after an unsuccessful attack to a skynet facility and only john connor ( christian bale ) survive and but he discover that skynet be develop the powerful new model t 800. out of the blue and marcus appear naked and with amnesia in the location . marcus befriend the teenager kyle reese ( anton yelchin ) and the girl star ( jadagrace berry ) that help him to survive to lethal machine and they travel together in a jeep . meanwhile the resistance discover a signal that might turn off the machine and john offer to test it . when kyle be capture by a machine and bring to the skynet headquarter and marcus decides to help the youngster and head to skynet while on the way and he save blair williams ( moon bloodgood ) that suggest him to meet john connor first . but marcus step on a mine and be submit to a surgery and when a secret about his origin be disclose . terminator salvation be another great movie of this franchise . the story be full of action and and support by a good story and great acting and excellent special effect . my vote be eight . title ( brazil ) represent o exterminador do futuro a salvação ( the terminator from the future the salvation ) .