After a catastrophic event leaves their bodies destroyed, Ne Zha and Ao Bing are granted a fragile second chance at life. As tensions rise between the dragon clans and celestial forces, the two must undergo a series of perilous trials that will test their bond, challenge their identities, and decide the fate of both mortals and immortals.

In a brewing war between the gods of Olympus and the titans, Heron, a commoner living on the outskirts of ancient Greece, becomes mankind's best hope of surviving an evil demon army, when he discovers the secrets of his past.