SZE intends to express her love to YIK. However, she is very disappointed when she finds out that YIK and FUNG has fallen in love. CHI thinks that YIK has refused SZE in person, CHI blames YIK. Murder and rape cases happen incessantly. They eventually identify a suspect, KWAI. The evidence left matches with KWAI`s. When YIK is going to execute KWAI, KWAI tells them that he had been sterilized and is impotent. CHI discovers that the murderer has six fingers. They suspect FU who is very afraid of his wife. However, LUNG thinks that he is not the murderer. SZE has a strong sense of righteous. FU finds her very similar to his wife. FU intends to kill SZE. Fortunately, LUNG and FUNG arrive in time and save SZE. Since then FUNG and SZE become good friend.