A mute man with a violent past is forced to take on the teeming underworld of a near-future Berlin as he searches for his missing girlfriend.

With only three weeks left in his three year contract, Sam Bell is getting anxious to finally return to Earth. He is the only occupant of a Moon-based manufacturing facility along with his computer and assistant, GERTY. When he has an accident however, he wakens to find that he is not alone.