During the Song Dynasty, Song Ci came to Changting County to take up a post, and focused on the study of autopsy in order to write the “Collected Cases of Injustice Rectified.” One night, a man and a women died at the same time, shaking up the whole county. When Song Ci heard about the case, he intervened the investigation and found that the case was very stage. While he found himself being cornered, Song Ci thought of the woman he hasn’t dared to meet for three years, the Changting County “All-rounded” Dan Qing. So Song Ci went to Dan Qing to enquire about the two recent murder cases, and asked Dan Qing to join the investigation. After a series of analysis, reasoning and visits, the truth is finally revealed....

In the early years of the Republic of China, the corrupt Qing government is overthrown by the revolution, and the trend of democratic progress rapidly sweeps across the entire land. However, aside from the chaos of the era, the underdevelopment of the people's wisdom, ignorance, and feudal superstition are still rampant throughout China. The son of the police officer Wang Zhizhang dies due to opium and he disdains the old society for the widespread crime and feudal ideology that poison the people’s minds. Hence, he disguises himself as a Taoist and infiltrates the local businessman Mr. Chen's house to investigate the opium smuggling case....

Han Peng, the commander of “Brigade Leopard”, likes to fight differently. His tactics are ever-changing. When encountering a strong enemy, he may attack and fight hard, and when it’s a weaker enemy, he may choose a soft way surprisingly. In order to hit the Reds hard and find their deficiencies and weak spots, the Blues often makes surprise strikes....