Lu Shiyu, the legitimate daughter of an aristocratic family, is reborn. The revenge of being skinned by her concubine in her previous life makes her seem gentle and dignified, but she is also frail and sickly. In fact, she is scheming at every step, killing people with borrowed knives, and the veil covering her lips when she coughs has dark lines. The world's top killer Ye Zhen, after being betrayed by the organization, his soul penetrated Lu Shiyu's dying body. He is cold-blooded and murderous. His body retains muscle memory and unconsciously turns the knife.
[First meeting in the mirror, confrontation between two souls] The choice between cooperation and death begins the game. Lu Shiyu tried poisoning, and Ye Zhen threatened with bloodletting, but they were all caught by Shen Ruoye, the prince of Zhenbei who was idle and wandering, but actually controlled the court's secrets. He is elegant and mad, obsessive but bloodthirsty. Because of his hatred for his biological mother, he is obsessed with finding "someone who can make him feel pain", and he has developed a paranoid protective desire for the twin-spirited heroine.
[Three-party deal, each with hidden agendas] Ye Zhen helps Shen Ruoye kill people, Lu Shiyu investigates the secrets of the court, and Shen Ruoye provides shelter. The crisis of trust suddenly arises. Lu Shiyu discovers that Shen Ruoye is an "enemy" in his previous life and wants to kill him, but Ye Zhen gradually develops a tacit understanding with Shen Ruoye because of his mission.
The concubine's sister set up a trap to burn down the Lu Mansion, and Ye Zhen's guardian was poisoned with an arrow. Lu Shiyu took over the body and poisoned the concubine's sister. Shen Ruoye ran into the fire in a rage and rescued them from dying. In the end, the remaining soul of Ye Zhen was placed in the jade pendant, and the three of them reached a strange balance. In daily life, Shen Ruoye kills people using the night-blood knife-turning technique, Lu Shiyu tea bottom, three shadows reflected in the bronze mirror, Shen Ruoye starts a new game with a low smile, the two souls and the mad dog male lead write a unique chapter in love, hate, calculation and protection.
Purpose: To explore the symbiosis of good and evil, standpoints, and souls, to show the examination of self and others by different souls in revenge, games, and fetters, to seek symbiosis and redemption in the complexity of human nature and the entanglement of interests, and to present the struggle for survival and emotional connection under the intertwining of good and evil.