Five young astronauts become human guinea pigs for the world's first self-sustaining orbital colony. Everything is going smoothly, until an unidentified object collides with them, increasing the colony's orbital velocity and sending them into an escape trajectory from Earth. Forced to confront the reality of a bleak and hopeless future together, the crew must now find a way to live in harmony, or give their lives over to the decisions made by the darkest parts of their character.