The big sister of Bowlland Street, Hongxing Thirteenth Sister (played by Sandra Ng), rescued her girlfriend SASA (played by Zhi Jingwen) from the hands of the East Star gangster Hua Fu (played by Ao Zhijun). Unexpectedly, SASA had secretly colluded with Hua Fu to frame Thirteenth Sister, and Thirteenth Sister was furious and dealt with her by family law. The subordinate Han Bin (Yin Yangming) has always been loyal to Thirteenth Sister, and puts his love in his heart. Once Han Bin accompanied Thirteenth Sister to pay homage to his deceased father A Da (played by Ng Man-tat), which made Thirteenth Sister recall the past. Thirteenth Sister's original name was Cui Xiaoxiao. Her father was a gangster in Hongxing. She and her good friend Zhang Meirun (played by Kristy Yang) mingled in Bolan Street all day, and together they were fascinated by the East Star thug Zhuo Kele (Alex Fong). Unexpectedly, the bully Xian Shi (Cheng Dong) killed Chui Shui Da, and Thirteenth Sister decided to avenge her father...