The chairman of the board, Mr. Lu, the wealthiest man in Daxia, met with a sudden accident. His son, Lu Beichen, rushed him to the hospital where the brilliant Daxia surgeon, Yun Xiyue, performed an emergency surgery on Chairman Lu. The operation was successful, and Chairman Lu's vital signs stabilized. However, while Yun Xiyue was conversing with Lu Beichen, she suddenly fainted. Upon waking, she found herself transmigrated, having become the eldest daughter of the Yun Marquis household. At this time, she also encountered the seventh prince of Daxia, Nan Gongjing, who was poisoned with the Diān Luán Five Poisons Powder and was being pursued by the Daxia Crown Prince, Nan Gongxuan. With the benevolence of a healer, Yun Xiyue immediately began to treat him, unaware that this would entangle her in even greater troubles....
