Cleo and her friends journey from Yasiro Academy to the city of Hykosis, where some of the most notorious thieves and assassins live. They're in search of information about the time tablets that could determine Cleo's fate -- whether she wants them to or not. But the group is separated when Xaius Octavian's fleet attacks their ship, and Cleo and Akila are on their own until they run into an old nemesis.