The beautiful new teacher in Sakura's class, Kaho Mizuki, soon reveals that she's a shrine maiden with magic powers of her own. But as always, the struggle to capture the Clow cards is woven together with the mysterious — and complicated — threads of love and affection between Sakura and all the people in her life. Will her heart be strong enough as she faces the one who will judge her worthiness to master the cards at last?