Sakura's look-alike has been causing trouble and if Sakura can't figure out which Card it is, her brother may suffer the consequences. Then a beautiful new teacher, Miss Kaho Mitsuki impresses Sakura, but Li senses trouble! For some reason she always mysteriously appears whenever there is a Clow Card. Coincidence? And what is her relationship with Toya? Finally, everyone at school begins to collect cards that look suspiciously like the Clow Cards. What will happen if one of them is real?