The K'Uei. As punishment, Hua, Cheng and Tang have to clean the stable when Hua hears a child whimpering behind a door. Though forbidden, Hua opens the door and realizes the Kuei Queen is imprisoned behind. The queen manages to free her entourage and the many Kueis are now attacking the humans. They are among the most aggressive creatures that exist. Realizing her mistake, Hua tries to recapture the beasts with the help of Cheng and Tang and the masters. Cheng is kidnapped by the Kuei Queen and turned into a Kuei, only to become King of the Kuei. After much back and forth, Hua succeeds in using a trick to blackmail the Kuei Queen, she and her people surrender and are taken prisoner again. Cheng can be turned back by a kiss from Hua. Only Tang complains because he broke his leg during the rescue operation and nobody kisses him. The Kuei Queen takes pity on him and kisses him.