At the beginning of the story, Sakura inexplicably traveled to the future (high school), where the new transfer student Qin Lingyue became her sworn enemy, claiming to be Clow Rido's daughter in another time and space, and came to retrieve what should have been hers - the Clow Card. This troubles Sakura very much, because she has turned Clow's card into Sakura's card. Thus, a peerless battle for Clow cards is about to begin...