YIN goes missing after cliff fall. YEE is threatened?by someone with a knife when she is going to the market. Soon after, HEI?receives YEE's call and hears YIN's voice on the phone. YIN has kidnapped YEE and demands?a ransom of five hundred thousand dollars from HEI. Immediately, HEI rings Inspector LEE for help. HEI appears to hand over the ransom money. The ransom is snatched by?a man?after?several?location changes. The man is caught who is someone else. YIN assaults HEI unexpectedly and?takes him and YEE to a rooftop. He vents all his anger on?HEI as he thinks HEI has destroyed?his life and snatched CARMEN away. HEI is badly beaten up and gets nearly thrown off the building...CARMEN receives a call unknowingly making from HEI's?cellular phone and comes to know that HEI is being threatened by YIN.?She is subdued soon after?she has arrived?at the scene…