Mute NGAR, crippled FAI, blind MANDY and deaf LUNG are sworn sisters, and they run a business to sell sporting goods. However, the business is a mere facade, and in fact, they rob the rich and give to the poor once they find out that person makes ill-gotten gains. HON-TO trains WAI-YAN, trying to help her overcome her traumatic experience, but to no avail. Noticing that everyone is talking about the vacant position of the Chief Inspector, HON-TO learns from the Commissioner that CHI-LUNG has been appointed as the new Chief Inspector. With all the SDU members being invited to attend the PHAB’s Happy Day (Physically Handicapped and Able-Bodied), HON-TO re-encounters his first love NGAR in fencing competition, to his surprise, NGAR has become mute. CHEUK-YUEN and TAK-WAI help all the contestants complete their shooting training, during which TAK-WAI finds FAI irresistible and falls in love with her at first sight……