Sam Bell, a lone employee at a lunar station, is tasked with harvesting helium-3 for three years. His only human interaction is with the intelligent computer GERTY. As his contract nears its end, he feels isolated and begins to hallucinate. After an accident, Sam awakens in the infirmary, where GERTY informs him of a rescue team arriving to clean up the aftermath. During his recovery, Sam makes a shocking discovery that challenges his sanity, identity, and the company's motives.

Moon
As Sam Bell's three-year lunar mission nears its conclusion, a transformative experience with his AI assistant GERTY is imminent, as they prepare to send vital resources back to Earth.