Su Ye, an operations and maintenance engineer, has spent years honing her technical expertise. However, Nebula Technology is plagued by poor management, and Su Ye is pushed out of the company. Zhou Xize, president of Shengshi Technology, recruits her. With her exceptional technical skills, she rebuilds the entire system from the ground up, repeatedly foiling illegal activities such as corporate espionage and cyberattacks. She brings the perpetrators to justice and ultimately rises to become an industry-leading technology expert.