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.

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.