Three teenage companions struggle to survive in the apocalyptic world of Apollo. While Rein and Grace desperately search for the families they were torn from as children, Cyrus wants nothing more than to revel in all the death-and there's a lot of it. Meanwhile, two enormous ten-foot tall giants search for them in a quest commissioned by their God-king himself. There destinies intertwine, and a perilous journey ensues that is sure to change each of them forever.