In a post-apocalyptic future, society is split up into classes which are only traversed by fighting battles. Points, required to rise in rank, are awarded for kills, and successful fighters may even have a chance of becoming the ultimate goal -- a citizen. Grey is one of these fighters -- on a mission to become a citizen at all cost. But when his friend and mentor is captured by the enemy, he must embark on a journey to save him, all the while discovering that the society he lives in may not be as it seems...
At the height of civilization, mankind stretched its reach from the distant corners of the globe, to outer space. Man's fate took a turn for the worse when a sudden wind swept across the Earth, causing all human beings to lose every memory they owned, and in essence, their humanity. Now, in a primal world with no rules, one man must endeavor to survive, to discover the future of humankind.