KIN’s wife is behaving rather strangely, making SING worry that KIN has been killed. Both KEUNG and KAN think that SING is thinking too much. SING wants to justify himself. So he carries out an investigation on his own. He falls down a hill during his investigation. He finds KIN’s dead body down there before he blacks out. Meanwhile, KIN’s wife and son have arrived to bury KIN’s dead body. They find SING lying unconsciously and so call the police. After investigation, the police confirm it was not KIN’s wife who killed her husband. They, nevertheless, will charge her with defrauding. A client of KEUNG and KAN’s force them to collaborate with him in making false insurance claim. They are given a serious beating for refusing to cooperate. Fortunately, the police arrive just in time. SING is happy to learn later that he was the reason why his two sons refused to team up with their client……