Astronaut Sam Bell has a quintessentially personal encounter toward the end of his three-year stint on the Moon, where he, working alongside his computer, GERTY, sends back to Earth parcels of a resource that has helped diminish our planet's power problems.
Two men. Living on the exact opposite side of the world. When one sleeps, the other one is awake. But when they finally meet, a simple question arises: Who is the dream and who is the dreamer?