Five children - Bo, Jen, Vicky, Martin and Trix - find themselves transported to the ancient Chinese spirit world. They discover from Shen the Dragon that they have become spirit warriors, on a quest to find twelve spirit pieces - if they fail, the evil Li will find them and then control the universe!

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! Bo, the leader of the spirit warriors, finds herself severely tested when she has to battle with Yama, an evil spirit thief, who has taken over the happy town of Piaji. But how do you defeat an enemy who never loses?

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! Jen gets a taste of what it is like to be a leader when she and Trix are kidnapped by the playful monkey people - and Jen is made monkey king! But when Hwang arrives at the monkey palace with a secret weapon, Jen learns that being a king is not just fun and games.

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! Entering the world of water, the warriors discover the next spirit piece can be bought for a button and a lock of hair. The warriors worry it's too good to be true. They are right and soon they're heading to the Temple of the Four Winds to wash away a curse and to face their worst nightmares.

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! In search of the snake spirit piece, Bo is gravely injured. She, Martin and Trix rest in an old hut where they are tended to by a mother and daughter. But what or who caused Bo's injury? And who is the strange young man that Vicky falls for when she and Jen seek shelter in a graveyard?

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! The Spirit Warriors get their fortunes told by Master Wu - who foresees a mixed future of ghost dogs, dreams come true and a visit to the Labyrinth of Lost Spirits. Soon the predictions appear to come true, but are they really? And why are Li's dreams haunted by Master Wu?

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! Entering the Earth World, the warriors come across a cave where their favourite meals are laid out for them to eat. It is straight out of a fairy tale, as is the beautiful Madame Ching. But eventually the warriors begin to suspect that their lovely hostess hides a terrible secret.

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! Martin, Trix and Vicky display different kinds of bravery and intelligence as they try to recover the spirit piece from the dreaded Cave of Ghosts. But will these qualities prove to be enough in a treacherous village whose every inhabitant has been destroyed by Hwang?

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! The warriors head into Li's own realm of fire and quickly discover their next spirit piece in a poor woman's rubbish. However, before they leave they are persuaded by her to head to a nearby peach tree, which grants wishes. There each of the warriors eats a peach and agrees to make a wish to find the final spirit piece - but not all of the warriors keep their word. Meanwhile Li, losing patience with Hwang, unleashes a dreadful phenomenon and pursues the warriors, determined to steal all of their spirit pieces, and in a world of fire there is no water, so not even Shen can help them.

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.