Miss Lee Hyo-rin, who has an IQ of 280 and is worth hundreds of billions, was accidentally struck by a spring thunder on her way out of the hospital by helicopter, so she traveled back to Xinguo with her mother's assistant Sunny. The soul possessed Xin Ling'er, the ugly daughter of a fisherman and farmer who had just died. After rebirth, Xin Ling'er accidentally married the fourth prince Chi'er. She continued to make mistakes in her life and turned the entire Xin Kingdom into her own world.
Concept: The women under the high walls of the mansion each have their own hidden agendas and fight openly and secretly. In the end, they all have illusions because of guilt in their hearts, trapped in the cage of their own hearts, and die on their own bloody hands.