The daughter of the commander of the Royal Guards, who disguised herself as a man and died tragically with hatred, was reborn and returned to the day when she first entered the guard. With her past life memories and autopsy skills, she not only had to tear through the enemy's hypocrisy and outwit the court's conspiracy, but she also had to deal with the ruthless colleague who was always protecting her secretly and whose identity was a mystery to uncover the shocking secret of why he had been working for her in both lives.
