Nancy Drew puts her investigative acumen to the test in this thrilling installment of the Nancy Drew Files series. While on a trip to Hawaii, Nancy Drew is asked to investigate the kidnapping of Lisa Trumbull, granddaughter of millionaire Alice Faulkner. A ransom note demanding that the Faulkners sell their shares of Windward Bancorp to the mysterious Malihini Corporation is her only clue. Can Nancy get to the bottom of this mystery and return Lisa to her family before anyone gets hurt?