Shade of Darkness - Season 1 Episode 18
Overview: BOK knows that NGAU and CHEUNG were close friends in the past from KUEN. BOK finds NGAU more suspicious. YIN SHEUNG is sick. KWONG takes good care of SHEUNG. WAI is touched and impressed with KWONG. KWONG's dead is unveiled. KWONG worries a lot. NGAU scolds KWONG. In another aspect, WAI finds out that BOK's birthday is the same date when CHEUNG's family encountered the misfortune. They think that it is not just a coincidence. BOK agrees to take an experiment. They find that BOK's fingerprint is same as CHEUNG's son. They strongly believe that CHEUNG's son had transmigrated to be NGAU's son. They also believe that NGAU is related to CHEUNG's misfortune. ON arranges to meet BOK in a restaurant. BO leaves his seat to make a phone call. The fan drops down from the ceiling. ON dies on the spot distressingly……