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.
as King Chan
as Jack Shum
as Shadow/Kwan Chin/Eleven
as Queen Chan
as Tin Ai
as Taro Sakamoto
as Yung's Henchman
as Dark Tung
as Police Officer
as Sophia
as Gable
as Sammy
as Yee
as Angel
as Tiny
as Jean
as Marie
as DJ
as Tiny's Former Boyfriend
as Policeman