Liu Qingqing transmigrates into a novel as the vicious female supporting character and is forced to bind herself to a character-setting system that orders her to target the male lead, Pei Yan. After Pei Yan awakens to his own consciousness, the two become tacit partners, acting out their assigned roles to complete missions and sharing the system's rewards. The system forcibly arranges an engagement in an attempt to drive them apart, but they turn the tables and use the scheme to their advantage. Ultimately, they join forces at the engagement ceremony to break free of the system and gain freedom and happiness.