Based on the most well-known classical fantasy novel of China, Fengshenyanyi, the trilogy is a magnificent eastern high fantasy epic that recreates the prolonged mythical wars between humans, immortals and monsters, which happened more than three thousand years ago.

The Primus extracts a Mixed Yuan Bead into a Spirit Seed and a Demon Pill. The Spirit Seed can be reincarnated as a human to help King Zhou establish a new dynasty, whereas the Demon Pill will create a devil threatening humanity. Ne Zha is the one who is destined to be the hero, but instead he becomes a devil incarnate, because the Spirit Seed and a Demon Pill are switched.

唐僧师徒一行取到真经后，顺利的回到了长安，本是天地间为之欢喜之事。哪知三百年后，佛祖圆寂之时，天地突生异变。魔教教头无天（黑子 饰）突然降临到现场，占领要地灵山，自封为“无天佛祖”。且告知众妖：33年后，如来会借助转世灵童回归，集齐17颗舍利子，再次重返三界。而他们的目 标就是夺得这17颗舍利子，进而杀死转世灵童，称霸三界。
唐僧（黄海冰 饰）被无天关进了冥界。知道了无天的野心后，唐僧利用紧箍咒，让在花果山的悟空（曹荣 饰）和八戒（闾汉彪 饰）意识到三界目前正面临着重大问题。而另一边，转世灵童乔灵儿（吴健 饰）正在一天天长大。一场恶斗即将来开序幕……