"Terminator Salvation" is a 2009 science fiction film directed by McG. Set in a post-apocalyptic future, it follows the battle between humans and machines, specifically the Skynet artificial intelligence that seeks to exterminate humanity. The story centers on John Connor, a key figure in the human resistance, as he fights to save survivors and thwart Skynet's plans. The film introduces new characters, including Marcus Wright, a mysterious man with a dark past who becomes entangled in the conflict. As Connor and Wright join forces, they uncover secrets about the war and the true nature of the machines, leading to a climactic showdown that shapes the future of humanity.