Sam Bell (Sam Rockwell) is at the end of a three-year tour as sole inhabitant of a lunar outpost that harvests a clean fuel source to send back to Earth. His only companion is GERTY (voiced by Kevin Spacey), the station's robot. When a mishap caused by isolation-induced hallucinations leads Sam to encounter an alternate version of himself, he must work to uncover the truth behind the mysterious doppelganger. Dominique McElligott co-stars in director/co-writer Duncan 0ones' thought-provoking sci-fi thriller. 97 min. Widescreen (Enhanced); Soundtracks: English DTS HD 5.1 Master Audio, French DTS HD 5.1 Master Audio, Spanish Dolby Digital 5.1, Portuguese DTS HD 5.1 Master Audio; Subtitles: English (SDH), French, Portuguese, Spanish; audio commentary; featurettes. Two-disc set.