For ten years overseas, Qin Feng deeply cultivated the international security field, forming a team to safeguard transnational security and becoming a well-known security strategy expert. To investigate the injustice suffered by his mother back then, he temporarily left his career and returned to China, staying at his aunt's house. Cousin Song Yanran serves as the president of a biotechnology company. Due to the research and development of a new anti-cancer drug, she triggered commercial competition and faced encirclement from multiple sides. Qin Feng assisted in resolving the crisis with professional ability and introduced investment to guarantee research and development. As the investigation deepened, Li Yaozu, a key figure involved in the dispute back then, emerged. Qin Feng insisted on legal channels to trace the truth, and in the investigation and protection of his relatives, he dealt with commercial games with professional literacy and the spirit of the rule of law, guarding fairness and conscience.