Continuing their quest to recover the feathers that hold fragments of Sakura’s lost memories, Syaoran, Kurogane, Fai, and Sakura travel through time and space with Mokona. They arrive in the Land of the Birdcage, a seemingly tranquil country where humans and birds coexist, each person having a bird companion. A boy named Koruri mistakes Syaoran and Sakura for bodyguards and attacks them, revealing that the king of this land wields a mysterious power. Princess Tomoyo, Koruri, and other oppressed citizens, whose birds have been taken, hide in the forest. Determined to retrieve Sakura’s feather, Syaoran and his companions confront the scheming king.