In medieval Japan, eight-year-old Hojo Tokiyuki is the heir to the Kamakura shogunate. But the Hojo clan is in decline, and Tokiyuki’s peaceful days of playing hide-and-seek with his teachers come to an abrupt end when his clan is betrayed from within. Now the lone survivor of his family and a fugitive, Tokiyuki is the rightful heir to the throne, but to take it back, he’ll have to do what he does best—run away!