Zhao Buyu found a jar of Qibai powder in the boudoir of Wu Xiang's sister Wu Qiao, but Wu Qiao insisted that she had never used it.In order to find out the truth, Zhao Buyu went to the Rouge Shop to inquire about the situation, but Zhang Qiniang followed him like a shadow.From the clerk, Zhao Buyu learned that Wu Qiao was actually a regular customer of Qibai powder, consuming as many as two boxes every month.

At this time, Wen Yue happened to come to the rouge shop to buy hand cream. As soon as she entered the door, she saw Zhang Qiniang tightly entangled with Zhao Buyu. She was filled with anger and wanted to leave with Zhao Buyu.However, Zhang Qiniang made excuses to stop him, mocking Zhao Buyu for being a henpecked man.Zhao Buyu scolded Wen Yue with a serious face, and Wen Yue had no choice but to leave alone.

On the other side, Zhao Moer was busy making aircraft. He purchased saltpeter and other raw materials, and with the help of Zhao Paner, Song Qiyu and Yao He, after repeated trials, he finally successfully produced an aircraft.He concluded that the hat demon relied on this method to fly.

In the process of sorting out clues, Zhao Buyu gradually suspected that Wu Qiao might be the murderer of Wu Xiang.He directly confronted Wu Qiao and pointed out Wu Xiang's evil deeds and the suffering Wu Qiao and Wu Ao had suffered.He noticed that there were traces of being burned by an oil lamp on Wu Qiao's sleeves, but Wu Qiao made excuses in every possible way, claiming that he was physically disabled and unable to commit the crime.However, Zhao Buyu had already discovered the stains under Wu Qiao's skirt and suspected that she was pretending to be disabled.

Wu Qiao sadly recounted her experience. It turned out that she had been used by Wu Xiang to make money.On the night of the incident, Wu Xiang asked Wu Qiao for money after losing money, and the two killed Wu Xiang in a fit of rage.After hearing this, Zhao Buyu felt pity and decided to take her to Kaifeng Mansion to surrender.

At this time, Wanfu was full of praise for Zhao Buyu and wanted to celebrate with him by drinking.However, Wen Yue suddenly appeared, and Wan Fu was so frightened that he left quickly.Wen Yue questioned Zhao Buyu's relationship with Zhang Qiniang. Zhao Buyu told everything about what happened at Zhang Qiniang's house that night, but Wen Yue did not believe him.

Gu Zhen heard the clues from the sidelines, and he took out the baggage with the word %dagger written on it to testify for Zhao Buyu.It turned out that Zhao Buyu had received an order to kill Zhang Qiniang, but he knew that it was sent to Wen Yue and chose to conceal it in order to protect her.Now that the deadline is approaching, Zhao Buyu has no choice but to ask Gu Zhen for help.

Gu Zhen took Zhao Buyu to the noble man to inquire about Zhang Qiniang's details, and learned that her adoptive father was Zou Mian, a man in the south of the Yangtze River.The two then went to a perfume store to take a bath to remove the rouge smell from their bodies, and asked Gu Zhen to conceal the matter from Wen Yue.However, when Zhao Buyu acted coquettishly towards Wen Yue, Wen Yue pushed him away angrily and decided to take the order.

On the other side, Zhao Moer and Zhao Paner encountered the hat demon incident when they visited Sun Bo, who had just been released from prison.Zhao Buyu learned during his communication with Gu Zhen that Wu Qiao had confessed, but the matter was not simple.At this time, Zhao Moer hurriedly came to report that Zhang Qiniang had brought people to Zhao's house...