
When registered clinical psychologist CHUNG TAI-YIN is driving on the highway, he recalls the past and cannot help tearing up. For research, TAI-YIN interviewed a murderer LO KIN-KEUNG a year ago. KIN-KEUNG is extremely sensitive. TAI-YIN adopts every possible way to try to trigger his memory of the murder, but to no avail. Upon TAI-YIN’s return home, his girlfriend, TSANG SAU-YEE who is also a psychologist, asks him about his opinion after the interview. TAI-YIN does not believe that KIN-KEUNG would ever hurt anyone, so he is determined to solve the mystery. There is a virus in the computers of the company that TUNG YAT works for, so his boss immediately tells him to fix the problem. However, TUNG YAT’s response makes his boss so angry that he yells at him. TUNG YAT’s sister, TUNG YUET, is a social worker.… ...
When registered clinical psychologist CHUNG TAI-YIN is driving on the highway, he recalls the past and cannot help tearing up. For research, TAI-YIN interviewed a murderer LO KIN-KEUNG a year ago. KIN-KEUNG is extremely sensitive. TAI-YIN adopts every possible way to try to trigger his memory of the murder, but to no avail. Upon TAI-YIN’s return home, his girlfriend, TSANG SAU-YEE who is also a psychologist, asks him about his opinion after the interview. TAI-YIN does not believe that KIN-KEUNG would ever hurt anyone, so he is determined to solve the mystery. There is a virus in the computers of the company that TUNG YAT works for, so his boss immediately tells him to fix the problem. However, TUNG YAT’s response makes his boss so angry that he yells at him. TUNG YAT’s sister, TUNG YUET, is a social worker.… ...
With the door bell ringing, CHI-FUNG goes to open the door and sees the police. TIN-YEUNG comes forward and reveals his identity, alleging that CHI-FUNG’s oldest son, WAI-SHUN, is suspected in a murder. Upon TUNG YUET’s return home, TUNG YAT tells her that he met a very smart kid, unfortunately, no one understood him except TUNG YAT himself. TAI-YIN arrives at CHI-FUNG’s home and sees that TUNG YAT is doing mathematics with CHI-FUNG’s youngest son, WAI-CHUNG. After listening to what CHI-FUNG said, he finds out that WAI-SHUN seems to be socially awkward which might stem from family problems. In order to look for WAI-SHUN, CHI-FUNG intends to temporarily arrange for WAI-CHUNG to stay in an orphanage, but WAI-CHUNG refuses. TAI-YIN goes to a restaurant to look for HAU-MAN after learning that it’s her birthday. Seeing that she is dating a married man, he cannot help driving him away.… ...