本片讲述了小哪吒偷吃了一个仙桃，但又不慎将另外七个新结的仙桃弄落凡间，结果造成鹰，鼠，马，蟾蜍，白猿，龙，狐狸七个动物成精。哪吒三兄弟下界将妖怪先后打败，之后妖精又引来助周伐纣时阻挠西周军队的梅山七怪，结果最后杨戬亲自出面才将其制服。...

In ancient Japan, a good lord is killed and his throne is taken by the trecherous Yuki Daijo and his wizard friend Oroki-maru. The young prince Ikazuki-maru is rescued from the jaws of death by moxia....