The protagonist, originally the best military medical agent in the military region. She died when someone secretly replaced ingredients in her laboratory causing an explosion, and transmigrated into the body of a woman with the same name who was the wife of Lu Mingxiu. The original owner hanged herself after being pushed to despair. Su Yunnuan is now 21 years old, vengeful, and determined to make those who wronged the original owner pay. She is a skilled doctor who can treat her own neck wound from the hanging. She confronts her ungrateful husband's family and demands a divorce.
