After a devastating explosion at Lunar Base Alpha kills his crew, Commander James Morrison finds himself alone on the moon with limited oxygen. While attempting to survive, he encounters an alien vessel whose beings reveal they've been monitoring humanity's repeated failures in space. Seeing unique potential in Morrison, they transform him into something beyond human - a bridge between Earth and advanced civilizations, watching and waiting until humanity proves ready to join the galactic community. Years later, a mysterious message at the base hints at his continued presence among the stars.