The film tells the story of the snake demon Liqing who charms all living beings. In order to monopolize Wang Sheng, who fell in love at first sight, she enters Wang Sheng's house by any means, and designs to "swap skins" with Wang Sheng's wife Xu Pan. But Liqing did not expect that her actions repeatedly disobeyed her mother-in-law, who collects men's souls, and her selfishness completely angered her, causing Wang Sheng to be in danger again and again. , Can the love between the two continue?

When an amorously inclined young man runs across an attractive young woman in need of his help, it's not difficult for him to rush to her aid while imagining himself in her arms. Though he's married, he retains a strong desire to bed any pretty woman in sight. To his shock, he discovers later that the pretty woman he fantasized about is a ghost.