The film tells the story of Guan Xing, the Big Sister of Chinatown, who, with her resilient nature, overcomes numerous hardships and ultimately drives away local evil forces, protecting Chinatown. The female protagonist, Guan Xing, is hardworking, brave, and willing to endure hardships. She faces various difficulties and challenges, and when confronted with the harassment of thugs, she resolutely fights back, following her inner sense of morality and justice.