YOU ARE THE CAPTAIN OF HONG KONG'S ELITE TEAM OF POLICE FORENSIC EVIDENCE INVESTIGATION EXPERTS. YOU AND YOUR TEAM HAVE BEEN CALLED INTO INVESTIGATING A HOMICIDE CASE AT AN ABANDONED APARTMENT, AFTER THE MURDERER RESPONSIBLE EFFECTIVELY COVERED HIS TRACKS TO BAFFLE THE POLICE FORCE. HOWEVER, AFTER HEARING THAT YOU ARE ON THE VERGE OF EXPOSING HIS IDENTITY; HE HAS SET OUT TO TRAP AND ELIMINATE YOU COMPLETELY.