During the Nadeshiko Festival, Sakura Kinomoto stars in her class play as a princess struggling to address a prince's love confession, mirroring her own unresolved feelings from a past confession. With the unexpected arrival of her cousins Shaoran and Meiling Li, Sakura finds courage to confront her emotions. Amidst these personal dilemmas, Sakura faces mysterious disappearances linked to a new threat—the 'Nothing,' a powerful entity created by Clow Reed. As the Nothing begins stealing Sakura's magical cards, she embarks on a mission to restore order, risking a challenging sacrifice in the process.