"After their harrowing journey to the mainland to reason with the Shogun's forces, young islanders Hana and Kenichi have been separated, forced to find their own ways back to Ronin Island. Kenichi, cast out in exile, must survive the wilderness on his own and contend with new enemies. . . Hana must also navigate a dangerous foreign environment, as she travels back towards the island with Shogun's caravan alongside refugees from his fortress, and begins to learn more about the mutant threat"--Back cover.