Sakura is a girl who lives with her father and her anoying brother. One day in her fathers library she is called by a book and finds the book filled with cards, but a sudden wind catches the cards and they flies away. A bit later the guardian of the cards awake, his name is Kerberos or Kero-chan. Now, since she caused it all, Sakura must act as a Card Captor and catch all the cards, or Clow Cards as they are called, and place them back in the book. Together with her bast friend Tomoya, whom also records everything with her video camera, they go out to catch the cards.