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.

1935. A large industrial city in southwestern China where most of the inhabitants work in the salt industry. Power in the city is divided between two gangs. When a war breaks out between factions, the tattoo artist is forced to take on a dirty business

Lin Jiaying, who has lived with her sister under warlord rule, watches helplessly as her sister is persecuted by Warlord Ma Shijie. Discovering her sister was a member of Ho Meizi's Special Forces Group for Women, Lin Jiaying joins the group, endures rigorous training, and forms close bonds. As she faces internal conflicts, she begins to question and uncover the secrets of the organization.

The story starts because of one journey. Seven people who have never met before climb aboard the same ride that goes into a seemingly endless tunnel. Despite the countless trials, corpses that mysteriously appear, past acquaintances that returned from the dead and an unseen danger threatening to swallow them whole, it's as if they are trapped in an enclosed space where there is no escape.

Ximen Qing and Pan Jinlian met their eyes and tried every means to get Wu Songzhi to Tokyo. When Wu Song hurried home, his brother had died! Wu Song didn't believe Pan Jinlian's remarks, and decided to investigate the cause of his brother's death, and was attacked by a silver wire killer on the way. Wu Song tied Brother Yun and Uncle He to the court together, wanting to convict Ximen Qing and Pan Jinlian, but the county magistrate returned the case in a few words and closed the case scribbled. Wu Song couldn't bear it, and he slashed Pan and Wang Po. In the Lion House and Ximen Qing had a fierce fight, and finally killed Ximen Qing and avenged his brother.