The police arrive at the recycling yard to tidy up the place after the explosion. They try to investigate the cause of the explosion as well. SHING-CHIT reveals that he has received a mysterious message and he suspects that YUEN KIU has sent it. YUEN KIU says that she is going out to buy bread but she actually goes to the detective agency to look for evidence. However, all the evidences are gone. YUEN KIU meets YAT-SHING when she returns home and YAT-SHING questions her. YUEN KIU suggests to HO-YAN that they should go to Vietnam immediately but HO-YAN hesitates. YIP TSAU asks YUEN KIU why she is still staying with HO-YAN after discovering his secrets. YUEN KIU explains that she wants to protect YAT-SHING. YUEN KIU and HO-YAN arrive at Vietnam. YUEN KIU accidentally discovers that HO-YAN has bought a gun. YIP TSAU informs YUEN KIU that YAT-SHING has left Hong Kong. YUEN KIU immediately asks HO-YAN to leave Vietnam……