Gu Qingying was adopted by the owner of the "Wuxian Building" since she was a child and became a female killer. After being betrayed and chased by her own people, she fell off a cliff. After being rescued by her enemy's son, she fell in love. Together, the two began to investigate Gu Qingying's life experience and the massacre of his family. The truth involved high-ranking court officials, the queen, and the prince. The truth and life experience were solved one by one, and their love gradually sublimated.
