Thirteen-year-old Shinji and his S.E.A. cohorts travel to a forgotten island in Polynesia in search of a lost culture. As Shinji struggles to understand and control his new guardian magic, the members of S.E.A. learn that a sunken ship belonging to the long extinct Natia people has been found on the floor of the Pacific Ocean. Shinji, Lucy and Tinker, along with Oliver Ocean and Phoebe Mystic, a quirky, enthusiastic magic expert who has been called...