AU. After VoDT, Edmund and Lucy stay on in Narnia, though Eustace doesn't. Celia Longburn is the daughter of a successful US diplomat. She's grown up learning to be diplomatic and tactful, much like Edmund. When Celia's airplane crashes she enters Narnia, only to meet her male counterpart. Negotiations are made, alliances are formed and sparks fly. Edmund/OC. Full summary inside.