Homicide in the Sock Factory Dormitory

It tells the story of a bloody card game murder that occurred in the dormitory area of ​​a sock factory. The police identified Qin Erwa, who was terminally ill, as the murderer, but her "suicide out of fear of crime" was highly suspicious. Detective Lou Xiaoyu discovered key clues and revealed that the bullied sister Qin Sister was the real culprit. In order to protect her sister, Qin Erwa was willing to take the blame and die. As the investigation deepens, an old work-related injury case that has been buried for 20 years comes to light, revealing the deeper hatred and twisted family protection behind this tragedy.