Tang Sanzang is ordered by the Buddhist faith to hunt down demons.
Along the way, he sees demons capable of deep affection, while humanity is rife with darkness.
He himself is no more than a tool for Buddhist proselytizing, and his parents died because of the Buddhist faith.
After learning the truth, he turns to demonic cultivation, drawing on his formidable Buddhist powers to transform them into a unique demonic Buddhist force. The former pilgrim seeking scriptures now resolutely sets out to exact revenge on the Western Heaven, while a kind and clever fox demon falls in love with him.