"This ...... Not really. "The secretary is a little evasive when he speaks." Without Dr. Song's instructions, I would not have been able to enter his office except for his patients. After saying this, the secretary's eyes revealed an easy-to-detect loneliness.

"Huh? Has his autistic personality not changed at all? Wang Shen followed the secretary's words, laughed twice, and tried his best to show his familiarity with Song Mu.

"It's not really." The secretary spoke in a small voice and lowered his head slightly.

"I've already told him he'll be in the office in a minute." Wang Shen took out his mobile phone and pretended to send a message to Song Mu. "I'll wait for him in his office." After speaking, Wang Shen prepared to walk towards Song Mu's office.

"Wait, that's not going to work, Dr. Song won't let anyone into his office." The secretary took two steps back, blocking Wang Shen's way.

Wang Shen looked at the secretary and smiled, shaking the mobile phone in his hand. "It's okay, I've already told him."

The secretary sighed, finally stepped out of the way, and returned to his desk.

Wang Shen finally breathed a sigh of relief in his heart. Fortunately, this secretary was not very vigilant, and if she asked to see the content of Song Mu's reply, Wang Shen would be really embarrassed. Wang Shen glanced back at the secretary, who picked up a delicate water cup and drank two sips of water. Wang Shen looked at the secretary again, smiled, pushed open the door of Song Mu's office, and walked in.

Song Mu's office is also a psychological counseling room, and the structure is both simple and exquisite. Suddenly, the secretary knocked on the door and shouted, "Do you want to pour a glass of water for you to come in?" ”

"No, he'll be back in the office in a minute." Wang Shen rejected the secretary's kindness. However, judging from the secretary's behavior, without Song Mu's permission, she really wouldn't have stepped into this office. Wang Shen looked around the office, listened to the movement outside the door, and after confirming that everything was safe, he walked to Song Mu's desk.

Wang Shen was always cautious, and even the sound of walking was extremely slight. Wang Shen gently moved Song Mu's office chair out a few centimeters, and then gently opened the drawer. Wang Shen thought he was a neat man, but when he saw Song Mu's drawer, he was still impressed. Files of all sizes lie quietly in the drawers. Song Mu sorted and arranged all the files according to the size, shape and thickness of the files. Not only that, but every corner of the file is neatly aligned. Through these judgments, Song Mu either has obsessive-compulsive disorder or has a habit of cleanliness.

Wang Shen pulled out all the files in the drawer. The drawer on the left is empty, except for the file bag. Wang Shen was a little disappointed, and after putting the file bag back in its place, he gently pushed up the drawer again, and then pulled out the drawer on the right. Or a neatly organized portfolio. Wang Shen was about to push the drawer, but halfway through, Wang Shen decided to check the drawer. Wang Shen took the file bag out of the drawer again. Wang Shen's gaze fell on the flashlight in the depths of the drawer for a moment. Wang Shen took out a pair of rubber gloves from his pocket, put them on his hands, and took out the flashlight in the drawer.

The flashlight is protected by a coat. Wang Shen took out the flashlight, carefully checked the model and parameters marked on the flashlight, and immediately took out his mobile phone to search for the functions of the flashlight. The result was exactly the same as Wang Shen had thought. This is a flashlight. There was a figure outside the door that swayed, it should be the secretary. Wang Shen quietly stopped what he was doing, and only when the figure gradually moved away did Wang Shen straighten up.

Wang Shen put the file bag back in its place, pushed it up the drawer, and looked at the window of the counseling room again. Wang Shen took the strong flashlight and slowly walked to the window. Wang Shen observed the structure of the window, loosened the window, and gently pushed the window open. Sure enough, across the road, directly in front of the window, was the translucent glass. Wang Shen checked the traffic situation downstairs, and when the traffic was scarce, Wang Shen immediately turned on the strong light flashlight, and adjusted the light intensity and focus of the flashlight to the highest level. A beam of light hit the wide-sighted mirror directly, but, somewhat strangely, Wang Shen did not find that the wide-sighted mirror reflected a dazzling strong light.

Wang Shen stood in front of the window, staring at the wide-sighted mirror and fell into deep thought. As a science and engineering student, Wang Shen figured out the reason, moved his position slightly, and after observing the road conditions, he shot a strong light again. Wang Shen tried several times, and finally received a dazzling bright light at a specific angle. If you want the driver around the corner to be disturbed by bright light, you must also control the angle. Wang Shen turned his head to look at the desk, and seemed to be able to see that Song Mu had carefully made countless attempts.

Wang Shen took out a plastic bag from his pocket, and when he was about to put the flashlight into the bag, Wang Shen hesitated. Wang Shen gently closed the window, walked to the desk gently, took a picture of the flashlight, and put it back in its original position. Wang Shen gently closed the drawer again, and at this moment, Wang Shen caught a glimpse of a pair of slippers under the desk. Wang Shen straightened up and glanced at the office desktop. Wang Shen took out an A4 piece of paper, put the slippers on the white paper, and took out his pen to trace all the outlines of the slippers.

If the size of the slippers matches the size of the shoe prints left on the banknotes, Song Mu's suspicion is even heavier. In the last two cases, Wang Shen always felt that they were related to Han Mo's case. What is the relationship between Song Mu and Han Mo? This is the question that Wang Shen wants to figure out the most at present. Wang Shen sorted out the state of the desk, as if it had not been turned over.

Wang Shen pushed the chair into the desk, and then his eyes fell on the row of cabinets against the wall. Wang Shen remembered the diary that Lin Su mentioned at the beginning. Wang Shen walked lightly to the glass cabinet and gently opened one of the glass doors. Inside the cabinets are thick file bags, each with the patient's name on it. Song Mu is also very methodical about the organization of archives. The files are sorted by the first letter of the last name from top to bottom, from left to right. Wang Shen discovered this rule, and began to look for Han Mo's name according to this rule.

Wang Shen searched all the files and found no records about Han Mo. By the way, and the diary from last time, there is no trace of it. Wang Shen stared at the cabinet in front of him and suddenly fell down. The cabinet should not be custom-made, so there is a small gap under the cabinet. Wang Shen leaned down and glanced into the gap under the cabinet. Sure enough, a file bag lay quietly in the dark crevice under the cabinet.

Wang Shen pulled the file bag out of the crack. On the cover of the file bag is the word Han Mo. Wang Shen opened the file bag and carefully checked the records about Han Mo's file inside. All of Han Mo's consultation time and consultation process are completely preserved in this file. Han Mo suffers from severe depression, and the experience of being raped by Zheng Wu when she was a teenager, and even the experience of watching Han Shuang being killed by Zheng Wu are all recorded. From this point of view, Song Mu may be the person who knows Han Mo best.

Wang Shen flipped through the file paper in his hand one by one, and when he turned to the last one, Wang Shen slowed down the movement in his hand. The last one was not archival paper, but an extremely ordinary piece of stationery. A few sentences were written on the letterhead, as if it was a poem: It is difficult to say goodbye when we meet, the east wind is powerless..... Wang Shen looked at this poem and began to guess the relationship between Song Mu and Han Mo. Wang Shen pulled out the paper separately and compared the handwriting on it with Song Mu's handwriting in the previous file. Wang Shen was confirmed, yes, it was indeed the same person's note.

Wang Shen took a picture of Han Mo's file for keeping, and then put all the documents back in the file bag intact. Finally, the file bag was stuffed back into the dark cracks. Wang Shen crouched down again and glanced at the gap under the glass case. Except for that diary, Wang Shen searched for almost all the information about Song Mu in Song Mu's office.

"Doctor Song, you're back." Outside the office, the voice of the secretary was heard. Unexpectedly, at this time, Song Mu really appeared.

"Yes." I heard Song Mu respond simply and simply.

"Doctor Song." The secretary shouted.

"Anything else?" It could be heard from Song Mu's tone that Song Mu seemed a little impatient.

"Your friend is here and waiting for you in the office."

"My friend?" Song Mu's tone revealed surprise. Song Mu did not continue to communicate with the secretary, but walked quickly to his office and pushed the door of the office open.

"You are?" Song Mu saw Wang Shen sitting on the chair of the guest, stopped and looked at Wang Shen.

"Doctor Song, I've finally met you in person." Wang Shen stood up from the chair with a smile, walked to Song Mu's side, and shook Song Mu's hand cordially.

"You are?" Song Mu still looked at Wang Shen with a stiff expression.

"Dr. Song doesn't have to be nervous." As he spoke, Wang Shen put his police ID in front of Song Mu's eyes. "I just wanted to ask you about Han Mo's situation this time, and by the way, I learned about the recent case."

Song Mu glanced at Wang Shen's documents, and his face did not show too much expression. Song Mu put his briefcase on the office chair and said lightly to Wang Shen: "Please sit down." After speaking, Song Mu turned around and walked to the side of the water dispenser, poured a glass of water into the disposable cup, and handed it to Wang Shen. Song Mu was not in a panic, let alone in a hurry to communicate with Wang Shen, but turned around and returned to his desk, picked up his cup, poured himself a glass of water, and drank a few sips.

"I didn't expect Dr. Song to be left-handed." Wang Shen looked at Song Mu holding the cup in his left hand, and saw that all the stationery on the desk was placed on the left side, so he came to this conclusion.

"Officer Wang's insight is really amazing." Song Mu took two more sips of water, and then put the water cup on his left hand.

"No wonder. Dr. Song is so good and capable, or it is not said that left-handed people are generally smarter. After speaking, Wang Shen also smiled and took a sip of water.