Fifteen-year-old Oz Vessalius is condemned for a sin about which he knows nothing. He is thrown into an eternal, inescapable prison known as the Abyss from which there is no escape. There, he meets a young girl named Alice, who is not what she seems.
Oz. Leo. Inescapable tragedy assaults and binds the two. He is no more. That simple truth tears their hearts apart like castles of sand caving in . . . But will history repeat itself when, in the midst of their sorrow, the two are pitted against each other in a struggle that could end in catastrophe?