Because she felt that Yue Lao's marriage was too old-fashioned, she secretly tampered with the marriage book. After being discovered by Yue Lao's father-in-law, she was sent to the world to bring order to the world. On the way, she met Feng Ci, a fairy who came down to earth to do things. She thought he was a helper. Unexpectedly, although the two had the same goals, their mission goals were completely opposite. So in order to successfully complete their respective tasks, the two had to rack their brains and battle wits, and successfully made the task a mess. Faced with this situation, the two decided to put aside their prejudices and work together to break the pot. They made mistakes and pushed the mission to its destined ending. Unexpectedly, they completed the mission goal by mistake. They were mortal enemies, but in the process of falling in love and killing each other, they understood each other's sincerity and gained perfect love.