The scholar Wang Zi Fu fell in love with the girl Ying Ning at first sight. By coincidence, he found Ying Ning's residence, and the two became husband and wife. The scholar's mother was afraid of Ying Ning. After learning that he was a fox demon, she separated the two of them. (Source: TheMovieDB) Adapted from the short story "Ying Ning" (婴宁) from the collection “Strange Stories from a Chinese Studio” (聊斋志异) by Pu Song Ling (蒲松龄).