A gold medal divorce lawyer disguises herself as an abandoned concubine, and awakens her past life memories through the letter of divorce. She uses the modern code of law as a blade to tear apart scumbags and outsmart powerful men in court, vowing to seek justice for ancient women. However, she is caught in an extreme dilemma between love and law in a confrontation with the cold-faced regent, and is even more involved in a shocking conspiracy that ended with hatred in her past life.