King and Queen are siblings who, along with Jack, form the "Bad Boys Agency," specializing in helping people find lost love. Taiwan's richest man, Rong Yongxing, wants to hire them to find his first love, Asian female athlete Guan Zheng. At the same time, a young man named Tianya is also searching for his missing lover, Shadow, only to discover that Guan Zheng and Shadow have the same face. To complicate matters, King meets Eleven, who has amnesia but bears a striking resemblance to Guan Zheng and Shadow, in a bar. It turns out that a Japanese scientist with ambitious plans intends to inject Shadow with the DNA obtained from Guan Zheng. Upon learning of the situation, King and Jack immediately set out to rescue Eleven...

Director: Johnnie To
Writer: Wun Chun
Starring: Ekin Cheng, Louis Koo, Shu Qi, Yang Gongru, Edison Chen
Genre: Drama/Comedy/Action/Romance
Country: Hong Kong, China
Language: Cantonese
Runtime: 105 minutes