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.
Ekin Cheng Yee-Kin
Louis Koo
Shu Qi
Kristy Yang
Daniel Chan Hiu-Tung
Mark Cheng Ho-Nam
Jerry Lamb Hiu-Fung
Kelly Lin
Josie Ho
Blackie Ko Shou-Liang
Helena Law Lan
Vincent Kok
Frankie Ng Chi-Hung
Sammy Leung
Lee Tat-Chiu