Chenxiang (played by Cao Jun), a boy from a small town, has always lived a peaceful life with his father, Liu Yanchang (played by Liu Xiaofeng). Then one day, Chenxiang discovers to his surprise that he has magical powers and can pass through walls without the slightest effort. After learning of this, his father tells him the truth he has hidden for many years: Chenxiang's mother is actually the Third Holy Mother (played by Piao Meixuan), a goddess from Heaven. She broke the laws of Heaven by marrying an ordinary mortal, and was captured by the Heavenly Court. No one knows where she is now. Shocked by the truth, Chenxiang resolves to overcome every obstacle and rescue his mother. Erlang Shen (played by Jiao Enjun), Chenxiang's uncle, has been watching all along and decides to stop his nephew's quest to save her.
Thus begins Chenxiang's perilous journey to rescue his mother, with Erlang Shen interfering at every turn. Along the way, Chenxiang encounters many kind spirits and monsters, and faces all kinds of obstacles. At times, he even considers giving up. But in the end, nothing can overcome his determination to save his mother...
