There is a terrible murder case in this strange society. The victim was chopped into pieces.The victim was chopped into pieces without the head and the abdomen. It is difficult to recognize its identity. Sergeant CHEUNG TAI YUNG and cop LEE CHUNG YEE are responsible for this difficult case. The coroner KONG YU HIM draws a conclusion according to the finger characteristics and believes that the victim is a thirty—years old nurse, LEE MAN FONG, wife of businessman CHOW CHUN KIT. The police starts a thorough investigation. They suspect three persons : Mr. CHOW, FONG’s lover Dr. CHOW and Mr. CHOW's mistress, DAISY. The motive for the murder is either sentimental factor, regarding money or for revenge. What is the truth?

The police proves that the victim is actually not LEE MAN FONG. HIN is neglectful of his job. The police finds out that KIT is in financial difficulty. He and his wife set up a plot to cheat the caution money. Unexpectedly, he indirectly puts his wife to death. YUNG finds out that the victim is actually, CHAN CHOI LING, also thirty-two years old. She was killed by KIT and his wife. Meanwhile, FONG’s dead body is found. There is KIT's finger—print on the murderous weapon. KIT then becomes one of the suspect. The police finds out that KIT is not the real murderer after thorough investigation. In fact, DAISY had followed KIT. She found that KIT's wife was still alive. She was very jealous as KIT had cheated her. She then killed KIT's wife.

Heaven's vengeance is slow but sure. The police report finds that DAISY's watch was stained with FONG’s blood. DAISY knows that she has failed to conceal the truth. She confesses that she is the murderer. The case is eventually cleared.YUNG's girlfriend KO GIT (reporter of the Fax Truth Magazine). She had once reported a case regarding drug dealing at TSE WAN SHAN. A drug addict, CHEUNG, threatens GIT a few times. YUNG warns CHEUNG not to bother GIT. GIT could then get rid of the trouble. GIT likes YUNG more after this incident.YEE and YE go to he Lobster Bay flying kite. One the way they hear a man shouting for help. They hurry to the spot and find that the man is pierced by an arrow. He is bleeding terribly. The man tells them that he was shot by the ‘Angel’ before he died.