CHI-NGO and the other ATF members go to the hospital to safeguard the Scaredy Bird member since he has just woken up. YAU-KIT discovers that WANG-LEUNG is sending message secretly. The spy tries to kill the suspect but YAU-KIT stops it. CHI-NGO asks YAU-KIT and YAN-MEI to join the investigation team secretly. YAU-KIT discovers that CHI-NGO has been working hard on the case secretly and he appreciates it very much. Besides arranging a spy at ATF, LOK-MAN tries to get close to WANG-LEUNG as well and they become lovers. With the help of YIP TING, YAU-CHING meets up with KIM-HANG and reveals that he wants to join the Scaredy Bird. KIM-HANG requests YAU-CHING to put a bomb at ATF as a way to prove his loyalty. With the help of LOK-MAN, YAU-CHING sneaks into ATF but YAU-KIT discovers him. During the time, YAT-KA sneaks into the data bank as well for she wants to steal CHI-NGO's secret data……