Mu Qing was ten years old. Her biological mother was mad at her father for keeping his wife and daughter. His father sent her to a base for closed training, but she was drugged by the instructor who had taught her for ten years. She fled into the slums. Mu Qing was disfigured and was rescued by Mu Ning, the daughter of the medical family Mu family. Five years later, Mu Qing returned with her son for revenge.
