This spin-off movie provides a different contrast to the familiar Young and Dangerous films with greater character development. This time, the story's focus is on a female character - Sister 13 of the Hung Hing triad. In a triad underworld dominated by men, the film tells the story of how she faces trials and tribulations of rising to become the branch leader of Portland Street. The story shows the reasons she became a lesbian. The film also gives more details about the Tung Sing triad, and how the relationship between Sister 13 and Ben Hon develops.
吳君如
as Sister Thirteen
杨恭如
as Cheung May Yun
舒淇
as Scarface
方中信
as Coke
尹揚明
as Hon Ben
吳孟達
as Tat
程東
as Salty
植敬雯
as Sasa
關海山
as Uncle Pun
黃家諾
as James
傲志君
as Run Fa-Fit
金興賢
as Panther
