Shen Qingci, twenty-three years old. On the surface, she is Mrs. Shen, a famous doctor who walks among the rich and powerful. She is gentle and disciplined, and has a wonderful way of rejuvenating. In fact, he has great martial arts skills and a meticulous mind. A silver needle in his hand can save people or kill people. In the past six years, she not only acquired a special skill, but also secretly collected evidence of her enemies' crimes and laid out a deadly trap that spanned the court, the rivers and lakes, and the harem. Her only weakness is her young brother Shen Zhao, who was separated when he was trying to cover her escape. His life and death are still unknown.