A desolate Earth, ravaged by acid rains and quakes holds a secret yet to be revealed. With the help friends from outside the Sol system the Earth is fighting back to regain the life it once held. Large secret water and atmospheric processors work endlessly to clean up the planet.
All the while underground an attempt to bring the Human race back from the brink of destruction is underway. The large station in orbit of Jupiter comes to life as Castell, back on Earth in the last command bunker, starts the series of events that will either save the Human race or destroy it once and for all.