Xu Xiao, who is afraid of snakes, accidentally rescues a spiritual little white snake with a strange black needle in a snake meat restaurant, and adopts it by accident. After that, she frequently dreamed of a handsome old man with silver hair and red eyes. He called himself the snake demon Bai Yin. In order to repay the favor of saving her life, she was willing to fulfill a wish. Xu Xiao jokingly proposed to "promise her with her body" and actually made a marriage contract with him in her dream. As the truth is revealed, Xu Xiao realizes that the dream engagement is not an illusion. Bai Yin is a serious "weird monster" who became a spirit before the founding of the People's Republic of China. The original encounter and rescue were all bound by fate. And she herself still has the gene of a demon hunter, so she was offered an olive branch by the Demon Management Bureau. Watching tenderly in Baiyin day after day
