After his father's death and the collapse of the Qingtian Gang, Lu Ye encounters the police officer he believes killed his father and discovers that the man has lost his memory.

Lu Ye continues testing Shen Tianbai's claim of amnesia while investigating the circumstances surrounding his father's death.

As Lu Ye investigates the Qingtian Gang, he and Shen Tianbai work together to pursue new leads while each keeps his true intentions hidden.

Lu Ye and Shen Tianbai set a trap to expose the traitor within the Qingtian Gang while carefully concealing their suspicions.

After confronting a senior member of the Qingtian Gang, Lu Ye grows increasingly suspicious of Shen Tianbai as their uneasy partnership continues.

Lu Ye's investigation into his father's death takes a new turn, while Shen Tianbai becomes involved with the Shisha Gang.

Shen Tianbai works to gain the trust of the Shisha Gang while Lu Ye investigates its activities and pursues new clues.

As tensions between Lu Ye and Shen Tianbai escalate, their separate investigations lead them toward a dangerous secret within the Shisha Gang.

Lu Ye investigates a series of disappearances in Ningcheng while Shen Tianbai struggles to maintain his position within the Shisha Gang.

Lu Ye and Shen Tianbai are forced to work together after becoming caught up in a dangerous weapons operation involving foreign forces.

After escaping from danger in Jiangcheng, Lu Ye and Shen Tianbai return to Ningcheng with new information about the forces threatening the city.

Lu Ye uncovers a new lead in his investigation while Shen Tianbai faces growing pressure to prove his loyalty to the Shisha Gang.

Lu Ye confronts Shen Tianbai after piecing together clues surrounding his actions, bringing the two closer to an uneasy understanding.

Lu Ye and Shen Tianbai work together to undermine Xu Qingdao's growing influence while continuing their investigation into the drug operation.

Lu Ye disrupts Xu Qingdao's plans while he and Shen Tianbai carry out a dangerous scheme to gain access to the Shisha Gang's inner circle.

When Lu Ye is imprisoned and Shen Tianbai is forced to turn against him, the two struggle to maintain their cover while pursuing the truth.

As Lu Ye and Shen Tianbai move deeper into the Shisha Gang, Xu Qingdao's daughter Xu Yin reveals that she has her own reasons for opposing her father.

Lu Ye, Shen Tianbai, and Xu Yin investigate the source of the drug operation and uncover evidence suggesting a much larger conspiracy.

As the investigation closes in on those controlling the Shisha Gang, Lu Ye and Shen Tianbai take greater risks to expose the forces behind the operation.

Lu Ye and Shen Tianbai stage a dangerous deception to turn the Shisha Gang and its allies against one another while preparing their next move.

Lu Ye searches for a way to counteract the drug's effects while infiltrating Xu Qingdao's operation and uncovering new evidence about his father's death.

A confrontation with the forces behind the conspiracy leaves Shen Tianbai in danger and Lu Ye determined to find a way to save him.

Lu Ye searches for a way to save Shen Tianbai while secretly working to bring the drug operation to an end.

As the conspiracy reaches its conclusion, Lu Ye fights to clear his father's name and put an end to the forces that have threatened Ningcheng.