She was originally a cold-blooded killer, agile and ruthless. However, a betrayal caused her to travel through ancient and modern times to an unknown era, where she became an unpopular princess in a cold palace. She did not resent this situation. Instead, she was very happy that she could finally live a life without killing people. In this life, she is beautiful and kind. She studied medical skills and decided to become a skilled and kind-hearted doctor. However, how should she deal with the pressure of women in the harem, and how can she realize her ideal of freedom? Let's see Mingying play with history and complete the gorgeous transformation of a killer. . .