新大小不良 (1994)

While visiting Shanghai, handsome young developer Hong meets the beautiful Kwun. Together they embark on a search for his friends from home, a brother and sister, who have become the targets of a ruthless gang leader, Keung. Now embroiled in a brutal criminal war with gambling and a seductive nightclub singer at the center, the innocents must fight to survive as the stakes rise to include their own lives!