The year is 3042, and the Earth has been destroyed. 15 years ago, humankind unveiled a mysterious and powerful technology called the Titan Project. Its true nature is not revealed immediately, but a species of envious aliens made of pure energy, the Drej, fear it and have destroyed humankind in defense. Now, the galaxy's remaining humans roam the cosmos as outcasts, forced to take odd jobs on freighters. A young human named Cale (Matt Damon) has taken a job on a vessel called the Valkyrie,...