In the town of Meirentan, the female performer Meilin endures constant bullying and longs to change her fate. When a powerful warlord hears about the legend of Meirentan, he comes seeking a ritual to fulfill his dreams. He deceives Meilin and pushes her into the Meirentan. Meilin survives but is infected by the life-and-death grass, turning into a bloodthirsty monster. She attracts and devours those men who conspire against her. Meilin's best friend, Yinxing, notices the change in Meilin, and her condition worsens day by day. In twenty days, she will become an undead zombie. As the truth is revealed, Yinxing and Meilin face a choice about what fate awaits them....

The snake demon Li Qing and the spider spirit Qi Luo are controlled by a thousand-year-old ghost woman who practices the black magic of Yin, luring lustful people and sucking their souls for her use. It was not until Li Qing fell in love with Wang Sheng at first sight in a rundown temple where she was impressed by his love and loyalty to his wife. Li Qing felt the existence of true love from Wang Sheng. Qi Luo was disdained, what love? What human? What is love to the extreme? They're all lust driven! Qi Luo told her sister that the so-called love of mortals is only superficial, and you and I have seen many lustful people in these centuries. However, no matter how much Qi Luo tried to discourage her, Li Qing still persisted......

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At the tenth wedding anniversary celebration of the female protagonist Bai Li and her husband Ye Yunkai, she meets her college junior Su Yu, the male protagonist. At this time, Su Yu is Ning Mochen's boyfriend. Ning Mochen schemes to let the female protagonist find out that her husband is cheating with her. Later, the female protagonist and the mistress fall into the water and their souls are accidentally exchanged. The female protagonist wakes up with the mistress' soul and begins her revenge. The first wife of true love exchanges souls with the vicious mistress, putting on a façade to turn the tide....