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The long-rumored bronze treasure "Emperor Shang Axe" appeared in Xiangzhou. The cultural relics department attaches great importance to it, the foreign cultural relics smuggling organization also secretly observing it and sent people to infiltrate into Xiangzhou to plunder it. In a short time, the small city Xiangzhou became enveloped in conspiracies. The City Public Security Bureau, to avoid losing this national treasure, set up a major crime unit, headed by female detective Zhou Yannan to go undercover in Xiangzhou. Sui Zhengtang, the owner of Changde antique store, who is money-driven, used tomb raider Ma Xiaohei and foreign spy Shen Xue to seize the axe, setting up a lot of traps for the major crime unit. In the face of such a complicated situation, the major crime unit under the leadership of Chen Shijie, the deputy director of the municipal public security bureau, and Zhou Yannan, time and again uncovered the enemy's conspiracy and finally wiped them out. The crime team successfully recovered the genuine "Emperor Shang Axe" while solving the case and arresting the criminals....

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The narcotics of Pingluo County's Captain Qin Changling escorted "Bang Zi" who had just been caught selling drugs back to the team, to interrogate him for the drug lord Ma Hongwu's hideout. After a fierce gun battle, Ma Hongwu was captured. During the interrogation process, Ma Hongwu, in order for a bail out for medical treatment, did not hesitate to lacerate himself. Just then, Qin Changling's daughter is kidnapped. Faced with the threat of the criminals, Qin Changling did not retreat at all, but captured the criminals; and Ma Hongwu, who was in the hospital, took the opportunity to escape with the help of his accomplices. Qin Changling, with deep remorse, reflected upon his negligence to the bureau's leadership. At this time, the drug dealer planted evidence against Qin Changling causing Qin Changling to be suspended from his job for investigation. Qin Changling knew that he was the only one who understood Ma Hongwu's way of thinking and course of action, so he went to Ma Hongwu's hometown alone and carried out a journey of 10,000 miles to pursue the murderer. With the assistance of the local public security authorities, Qin Changling successfully captured the two drug lords and weeded out a pest for the people....