The doctor returns to the basement carpark to find that the signal from tianxing's cell is coming from the hospital. He decides to look into the background of the hospital to see if he can find any clues about the past. He is worried that he has no history with the man. The doctor tells him that there is nothing shady about the hospital and that he is on his way to investigate a case that he was investigating for a half year. He tells the doctor that two young men were involved in a car accident and that they were brought to the hospital by the police. The driver had a proper license, and he was not drunk driving. The doctors tell the young men that they are wards of general surgery and that one of them has a minor injury to his lower abdomen and the other has a slight concussion