When the shattered Divine Mirror releases an ancient evil spirit, Xie Yun, into Yao Yang’s body, Bai Xiyin takes him in as her disciple to purify the darkness within. In the process, she sacrifices herself, prompting Yao Yang to embark on a journey to resurrect his fallen master. Joined by mystical companions, he travels across realms to recover her lost soul and uncover the hidden truth behind the mirror’s destruction.