阿富汗的一个寒冷的冬夜，当诺亚·勃兰特上尉从一群流氓特种部队和一个全副武装的塔利班小组中寻找避难所时，留给守卫英国军事前哨的廓尔喀士兵拉纳·雷的情况将会变得更加糟糕。这两名士兵必须为自己的生命而战，因为他们试图在由背后捅刀子的巴特利特中士领导的流氓小组找到诺亚截获的一箱导弹制导芯片之前请求增援。但是巴特利特和他的人并不指望拉纳，拉纳凶猛的廓尔喀训练使他成为不可忽视的力量。

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.

特种作战小分队"地狱的巴斯塔德"被派去渗透内战以找回情报。这支部队很快发现自己被困在一个永无束的楼梯间，被迫爬升或死亡。为了生存，他们必须重温他们过去的辛国，如果他们曾经想得到