The story of Bran Marshall, a young man who has fled from Earth through The Gate to find a new home on Rhea. But the early human settlers of Rhea have decided that they will no longer accept refugees from Earth, which sparks an adventure of discovery as Bran is forced to team up with a Rhean woman named Ohsha Rainer and stop her ship from killing thousands of Earth Refugees. Along the way they might just become the best hope that the next generation of mankind has to co-exist with itself. 　　译文(2): 布兰 · 马歇尔的故事，一个年轻人通过星门逃离地球，在土卫五上找到一个新家。但是早期的土卫五人类定居者已经决定不再接受来自地球的难民，这引发了一场探索冒险，布兰被迫与一个名叫欧莎 · 雷纳的土卫五女人合作，阻止她的船杀害数千名地球难民。一路走来，它们可能成为下一代人类与自身共存的最大希望。