The film is based on selected chapters of Wu Cheng'en's classical novel ''Journey to the West'', and tells the story of how Sun Wukong rebels against the Jade Emperor of Heaven.
The all-powerful Monkey King once roamed freely between Heaven and Earth, but after angering the Gods, he was imprisoned within an ice cage deep within the mountains. 500 years later, monsters attack a small village and a child flees to the mountains. Unknowingly, the child releases the Monkey King from his curse. With the help and encouragement from this special child, Monkey King saves the village from the evil monsters.
When the irritable monkey king visits a temple together with his master Tang Monk, he feels offended because of a trifle and thereupon accidentally destroys a magic tree growing on the sacred ground. This brings an ancient demon king back to life, who promptly kidnaps Tang Monk to take revenge for his long imprisonment. The monkey king and his followers have only three days to not only save their master but also to prevent the demon king from regaining his full powers and destroying the world…
Struggling to cope after a move to the city with his mother, Elmer runs away in search of Wild Island and a young dragon who waits to be rescued. Elmer’s adventures introduce him to ferocious beasts, a mysterious island and the friendship of a lifetime.
Avatar Aang, the world's last Airbender, learns of an ancient power that could save his culture from extinction. With the help of his friends, he embarks on a global quest to find it before it falls into the wrong hands and threatens to upend the peace they sacrificed everything to achieve.