When Fan Xian returned to Fan's Mansion, he saw that Housekeeper Zhou was tied up. It turned out that he had been under the orders of Aunt Liu in Kyoto to monitor Fan Xian all year round. This time, there was an assassination call from the Inspection Institute, and Housekeeper Zhou followed the trend and wanted to kill Fan Xian.The old lady went out of her way and severely punished Housekeeper Zhou. It turned out that her indifference to Fan Xian was because she had an appointment with Fan Xian, in order to attract people with ulterior motives.The old lady told Fan Xian to learn to be cruel, but Fan Xian understood that he could not live peacefully in Danzhou.In order to keep the old lady away from danger, Fan Xian bid farewell to the old lady and prepared to return to Beijing.Before leaving, Wu Zhu handed Fan Xian the box left by Ye Qingmei and told him that the key to open the box was somewhere in Kyoto.