LAM, a councilor, wants to go Canada to escape from YING. HUNG beats him up, so vigorously that even YING is shocked. LAM is rescued the next day and AH believes he is hiding something from the police. AH finds out that LAM had called YING a couple of times before he was beaten. LAM refuses to tell the truth. HUNG finds out that YING has been in close contact with a mysterious person. LAM is nearly knocked down by a car, luckily AH saves him in time. LAM tells AH the truth at last. YING is at a charity campaign when AH comes and puts him under arrest. WAH has left HUNG a message and tells him to continue his undercover job to wait for more evidence of YING’s guilt. LAM says in court that it is AH who instigates him to give the name of YING. YING is acquitted. As for AH, he has to undergo internal investigation and is banned from looking into YING.’s case. KING has a chat with AH and encourages him to be positive to work……