On Christmas Eve, three homeless people living on the streets of Tokyo discover a newborn baby among the trash and set out to find its parents.

Sakura Kinomoto, a Card Captor, wins a game of chance and is awarded a trip to Hong Kong, along with her best friend Tomoyo and her rival, Syaoran Li. It turns out that the ancient rival of Clow Reed, the creator of the mysterious and powerful Clow Cards, summoned them, and she's out for revenge. A battle ensues, and secrets are revealed about Clow Reed's shady past and Sakura's connection to him.

Pikachu and the gang learn responsibility, teamwork as well as cooperation during their Summer vacation at Pokemon Island.