The Lin Mansion was destroyed, and the third lady Lin Wenshu disfigured herself and infiltrated into the house of her enemy, King Qin Jiang Yuesheng, but was forced to join forces with him to investigate a series of strange cases. While chasing the murderer, she set up a trap step by step and took advantage of the opportunity to solve the case to get closer to the truth. She vowed to tear apart the mask of the hypocritical princess Jiang Yueluo and pay with blood.