"Trapped on the surface of Mars, Saul and his sister Var must find a way to return to Argus Station, but the new base commander, Rhone, stands in their way. Saul wants to pursue his dreams, turning the Argus Station into an interstellar vessel, rebuilding it with weapons, and leaving the solar system. Meanwhile, Alex, the clone of Alessandro Messina, watches those around him change as they become 'chipped' and able to control station robots. Immortality...