In a distant solar system, a team of 12 astronauts with unique skills embark on a long-duration mission called Phaeton. To prepare for the cramped conditions of their spaceship, they train using advanced virtual reality simulations. However, when a critical error occurs during their journey, the team begins to suspect that one of their own may be behind the sabotage.

A spaceship carrying a virtual reality device to help its crew cope with a 10...