Three years ago, Su Wan, a talented network security engineer, was framed and charged with "stealing trade secrets" and fell from the cloud. In order to avoid tracing and former enemies, she concealed her name and became an ordinary programmer training course instructor. Three years later, the domestic technology giant Fu Group suffered the most powerful cyber attack in history, and its system was on the verge of paralysis. The group president, Fu Sinian, was being cornered by his family and board of directors. In desperation, Fu Sinian used special channels to find the legendary mysterious hacker "Shadow" who can solve all network problems. He didn't expect that "Shadow" was actually Su Wan, the instructor who seemed cold and inconspicuous in the training class.
A contract marriage with "resolving the crisis" as a bargaining chip begins. Fu Sinian thought he was just looking for a technical tool, but after getting married, he gradually fell in love with her talent and tenacity. Su Wan, on the other hand, used Mrs. Fu's identity and Fu's resources to secretly investigate the truth that framed her three years ago. When she peeled off her opponent's vest layer by layer, she found that all the clues pointed to Fu Sinian's mortal enemy, and were even closely related to the power struggle within the Fu family. When Su Wan's hacker vest was accidentally discovered by Fu Sinian, this arrogant business emperor felt panic and powerlessness for the first time. He only wanted her, no matter who she was.
This is a story of two strong forces joining forces, from contractual marriage to extreme deep love, the heroine uses top-notch skills to beat the scum in the face and reveal the truth, and the hero goes from being paranoid and possessive to being an absolutely loyal dog.