YAU-CHING wakes up to discover that he is staying in a remote hospital in China. YIP TING receives a secret letter from Professor WONG. Based on the information given by Professor WONG, YIP TING discovers that CHI-NGO is meeting somebody from the Scaredy Bird secretly. YAU-KIT invites YAT-KA to eat with him and SUK-FAN. YAT-KA meets LAI-HIM there and she treats him coldly. YAU-KIT declares his love to YAT-KA. With the help of YIP TING, YAU-CHING returns to Hong Kong illegally to carry out investigation on the case. LOK-MAN learns from the ATF spy that YAU-CHING is still alive and KIM-HANG is very shocked. CHI-NGO passes through internal investigation successfully and he returns to work as a commander at ATF. CHI-NGO learns that YAU-CHING is alive and he wants to carry out an internal investigation on him. YAU-KIT is dissatisfied.