Oz is in danger! Glinda the Good Witch consults the Book of Knowledge to figure out why. Through the Book’s magic, she travels through memories of the past. The Book shows her the powerful love of Queen Diamond and King Sapphire, strong enough to unite two kingdoms and bring a son into the world. Glinda had once presented that young Prince with an amulet. But as he grew, the King and Queen began to argue, so intensely that the Queen cast a spell over her son to hide him away in her kingdom. Glinda’s memories fade away. She realizes that the only way to save Oz is to reunite the two kingdoms—a task only a certain someone can handle. Mind made up, Glinda sends a Phoenix to Kansas with a special invitation.