The deceased who fell from the mental hospital was identified as Qian Xiaolong. When the forensic doctor examined the body, he found Liu Ke's lost Walkman beside him, and Liu Ke's favorite song was playing. Zhao Gan'e also found important evidence in Qian Xiaolong's ant jar. Many evidences pointed to Qian Xiaolong. The criminal police suspected that he had committed suicide out of fear of crime and were preparing to temporarily close the case.But Zhao Gan'e didn't want to believe it. He refused to hand over the file and was even regarded as mentally ill.
He returns to the mental hospital again to look for clues.In order to find the murderer of Liu Ke, Zhou Weiping drove his car privately and broke Er Yong's leg.The 14 alleys under Ran Xi's care are in trouble again.Ran Xi didn't want to check anymore and just went home to repair the roof.At the same time, Ran Dongdong, who was running at night, saw the lost Tian Chang flashing past in the water tower window.
The next day, when Ran Xi was repairing the leaking ceiling, Zhao Gange came to visit. Ran Xi told him about his unbearable past. The relationship between master and apprentice further heated up, and Lao Ran decided to officially start investigating the case.Er Yong, who was retaliated against, came to the police station to report the crime, saying that he had seen Liu Ke getting into the limousine of Casablanca Cabaret owner Xiao Erhei, and Xiao Erhei became a new suspect.