Five children discover from Shen the Dragon that they are spirit warriors, on a quest to find twelve spirit pieces - if they fail, the evil Li will find them and then control the universe! As the quest concludes the warriors are helped by an unlikely ally in the form of Hwang. Feeling betrayed by his master Li, Hwang changes sides and presents the warriors with a secret document before sneaking them into Li's palace. There they finally do battle with Li. But just when it looks like Li has defeated the warriors and claimed all the spirit pieces as his own, he leaves them to travel to the world of Gold so he can exact revenge upon a surprise former ally. Shocking secrets and hidden histories are finally revealed.