Top agent Mulan exposes Shadow Alliance leader Gao Qiqiang's ties to the Moore Group and becomes a target of both organizations. Hiding in her hometown as food courier Liang Zhao, she fights back when enforcer Sun Dahu extorts her mother's shop, harasses her sister, and injures her mother. Her skills expose her, the hunt resumes, and her sister is kidnapped. Then she discovers her mother is the Moore heiress, and her father, Liang Ming, helped found the Alliance. Now father and daughter must join forces to crush their enemies and rescue the family.
