Jiang Ruo, a member of a secret research institute, returns to her home country with the mission of delivering the Gu Group's top-secret core documents to her older brother, Gu Chenzhou. However, she faces relentless obstruction and violence from his assistant, Shen Qiaoqiao, and her father, Shen Dingkun. Mistaking Jiang Ruo for a romantic rival, Shen Qiaoqiao humiliates her, physically attacks her, and even tears up the classified documents. Professor Gu is also caught up in the incident while trying to protect Jiang Ruo. After overcoming numerous obstacles, Gu Chenzhou finally arrives and reveals Jiang Ruo's true identity. The siblings join forces to gather evidence, ultimately ensuring that the Shen father and daughter face legal consequences for abusing their power, destroying confidential documents, and engaging in corruption and illegal activities. Together, they protect the Gu Group and uphold justice.