This TV series tells the story of Liang Yushi who disguises herself as a man and grows up to become a police officer. She investigates the murder of the Liang family that happened many years ago. The love story of Yushi and Shi Wuhen who have been in love for a long time
Su Huaner was kidnapped suddenly while visiting Jiangnan, and as the jewel in the palm of Aolongbao, in order to save Su Huaner, he invited Shi Wuhen helped out. During the confrontation between Shi Wuhen and the kidnappers, he met Liang Yushi, Putou of the Yamen, and accidentally discovered that the shop was actually a woman pretending to be a woman. With the help of Shi Wuhen and others, Su was rescued. Huan'er, before Su Huan'er left, she left Shi Wuhen and Liang Yushi with the famous badge of Three Dragons Fort. Unexpectedly, the famous badge would soon come in handy in the officialdom. Liang Yushi's father was the local county magistrate. Upright and outspoken, he offended his boss and was framed to death. In order to avenge his blood, Liang Yushi became a wanted criminal. He could only escape with the revenge of killing his father. Seeing Liang Yushi and Shi Wuhen make a big fuss in Wanhualou, and Shi Wuhen angered Liang Yushi because of the Wanhualou incident, the two sides also began to develop a strange love for each other in the back and forth.