Fusion with Ursula le Guin's planet O. In a world with very different marriage rules, a noble wedding and a magical threat still can't make Merlin, Arthur, Gwen and Morgana talk about their feelings.

In which Prince Arthur meets Merlin and all hell promptly breaks lose.

"To my great-nephew Arthur I bequeath Tintagel Distribution, wholly and without reserve, save for one condition. You must marry, and stay married, for a period of no less than six months. You're a wonderful businessman Arthur, but a full life needs love and companionship, not just a string of affairs. Settle down young Arthur, and your life will be the richer for it."