The spaceship Ilea is paralysed, captured within a cloud of matter that seems able to think, and to foil all the ship's efforts to escape.
Now the ship's H2 extractor plant can supply oxygen for only a few more days, and the magnetic shield is giving way.
While the students and crew work desperately to create a defence, space-criminal Alex Hartmann (played by Jason Durr) makes a tempting offer to navigator-cadet Mercedes Page (played by Anna Chancellor).
It is possible that two people could escape the stricken ship in the command module?
Taking water, and oxygen, and leaving everyone else to die.
Jupiter Moon is about the perils of life on the very frontier of human existence.
It is about the loves, passions, and ambitions of young people growing up in an alien and dangerous environment, many million miles away from Earth...