The Bad Boy Squad, a variety of private detective agency, is composed of King (Ekin Cheng Yi-kin),Queen (Kristy Yeung),and Jack (Louis Koo Tin-lok),whose primary source of business is the reuniting of clientèle with their first flames, and when the trio of young operatives returns to Hong Kong from an assignment in Thailand and the Squad's next three customers supply photographs of lost loves, the women in the pictures appear to be the same individual.

• FBI TV and Film Group Company Limited (Film Business International Ltd.)
• Universe Entertainment
• Ekin Cheng Yee-Kin
• Louis Koo
• Shu Qi
• Kristy Yang Gongru
• Daniel Chan Hiu-Tung
• Mark Cheng Ho-nam
• Jerry Lamb Hiu-Fung
• Ko I-chen