In their continuing journey to find the feathers that are the fragments of Sakura's lost memory, Syaoran, Kurogane, Fai, and Sakura move through time and space with Mokona. Here, they visit the "Land of the Birdcage," a seemingly peaceful country where people and birds live together, each person having a bird companion. After a boy named Koruri confuses Syaoran and Sakura for "bodyguards" and attacks them, they learn that the king of the country possesses a mysterious power. Princess Tomoyo, Koruri, and the other oppressed citizens, having had their birds taken from them, live in hiding within the forest. In order to take back Sakura's feather, Syaoran and the others stand up against the scheming king. (Source: ANN)Shaoran and Sakura visit the Birdcage Land guided by Mokona-and-Modoki who were loaned by Yuuko, the Dimension Witch.This world was supposed to be a peaceful land where people lived with birds as partners. But now the king is oppressing his subjects: those who do not obey him are deprived of their birds, and the people have come to live in misery. The king rules the land with the power of a mysterious feather. Is this one of Sakura's memory fragments?Separated from Kurogane and Fay, Shaoran and Sakura, along with Mokona, land in a deep forest. They are attacked by a boy named Koruri, who mistakes them for the king's guards. He explains them that he is protecting Princess Tomoyo from her uncle, the king, who took away her bird and sealed her voice.For the sad princess Tomoyo hiding in the forest, for Koruri and his friends who are protecting her, and for all the oppressed people of the land, now Shaoran is determined to face the cruel king!