Christian Bale stars as John Connor, the man predestined to lead the human resistance against Skynet and its army of Terminators. The future Connor was raised to believe by his mother is altered by the appearance of Marcus Wright (Sam Worthington), a stranger whose last memory is of being on death row. Connor must decide whether Marcus has been sent from the future, or rescued from the past. As Skynet prepares its final onslaught, Connor and Marcus both embark on a journey that takes them into the heart of Skynet’s operations, where they uncover the horrific secret behind the possible total destruction of mankind.