Chu Bufan investigated that the coachman Zhang Quan was fond of gambling and had previously owed a large sum of money to the gambling house, but he paid off all the gambling debts the night Zhao Lingan came back.Zhang Quan's suspicion further aggravated, and the two went to a gambling shop where Zhang Quan often visited to block people.Sure enough, Zhang Quan was intercepted by the two men, but according to Zhang Quan, he was only invited to the woods by a mysterious letter and drove back the carriage carrying Zhao Ling'an and the beauty. He didn't know anything else. This was the only useful clue., the person who bribed him with money, his left hand seemed to have scars burned by fire.And according to his confirmation, the carriage was not far from the first scene discovered earlier that night.Xiao Yuandao heard about Ding Zhaozhao's private investigation and wanted to order him to stop. However, when he heard Ding Zhaozhao mention that the suspect had a scar on his left hand that had been burned by fire, he was instantly frightened and hurriedly got up and ran out.When Ding Zhaozhao followed Xiao Yuandao to the academy, he only saw Xiao Yujie, Xiao Yuandao's son, struggling in the fire, and watched him die on the spot.