Bai Ninghun travels to an unknown fictional dynasty in history. Her name is Bai Ningyan. She is the concubine of the Bai Mansion, the second family of the four major aristocratic families in the world. Bai Ningyan is not favored and only knows how to protect herself. In the end, she is a beauty and suffers from a heart disease. The cause of death that can induce heart disease is unknown. Bai Ning vowed to leave after finding out the cause of Ning Yan's death.
