When KUK YI is herself again, she finds that SO TO MA TIM has been killed by her dagger. She flees immediately. YAT FAY investigates the case of SO TO MA TIM's being murdered and discovers that this is related to TSUI. HIN KWAI wants to take the chance to kill TSUI for his personal hatred. YAT FAY stops him just in time and finally discovers that TSUI is innocent. On the other" hand CHING CHING finds that AH PO YAN is involved in the case and informs YAT FAY. They try to arrest him but in vain. CHI HING steals the report of SO TO MA TIN's corpse from SUNG HIN. He knows that the key to the case is the dagger. To win KUK YI's appreciation, he orders his subordinate to take it away so as to make her innocent. However he is scolded by her. After careful investigation, SUNG HIN comes to the conclusion that SO TO MA TIM has died due to other reasons. With this hint, YAT FAY solves the case and proves KUK YI to be innocent.… ...