Alone. The adult crew missing. The ship filled with poison air. The remaining cadets still in cryogenic hibernation. The Grace O'Malley looking as if she's barely survived the fight of her life.With no assurance of rescue, thirteen-year-old Bastien Devereaux must unravel the secrets behind the vessel's terrible state, determine how to keep everyone safe, and plot a course towards a home more distant than he can imagine.