Kei (Simon Yam) is the experienced leader of a team of Pickpocketing.(Pickpockets are also known as "Sparrows" in Hong Kong slang). He enjoys a carefree lifestyle taking photos with his vintage Rolleiflex. One day a dashing beauty, Chun-Lei (Kelly Lin), suddenly appears in Kei's viewfinder. Kei is mesmerized. Every member of his team has an encounter with her.... But behind Chun-lei's attractive facade lies a mysterious past and a mission to set herself free.