For years O resided on an isolated world of killing. A disciplined perfectionist, he knew any contacts with the outside world would jeopardize his life. The death of his love Nancy only added to his loneliness. Tok, a flamboyant newcomer, fancied the thrill of killing and was driven to become the No.1 killer. The only challenge stood on his way was O. Tok thus forced O out of seclusion by approaching his secret crushK Interpol agent Lee has been investigating O for years. Just when he was closed to cracking the case, O vanished altogether with Chin after a violent shootout. Lee had a hard time letting go of the case. He knew Tok wanted to challenge O into a duel. So who will be the winner? What Lee needed now, was someone to finish the story for him ... ...