During winter break, Sakura wins a trip to Hong Kong, prompting skepticism from Kero about her lottery luck. As she explores Bird Street, she feels a sinister presence beckoning her. Pursuing mysterious birds, she discovers a phantom realm where she uncovers that her journey was orchestrated by Madoushi, seeking vengeance on Clow Reed. With aid from Syaoran's mother, Yelan, and Clow Reed's guidance, Sakura faces off against Madoushi to save her kidnapped friends and family.