[Urban Workplace + Business Suspense + Technology and Business War + Protagonist's Self-Evidence + Reversal and Reverse Killing] On the eve of the defense of a billion-yuan project, Cheng Yan discovered that the plan proposed by his competitor was exactly the same as his own internal version, and even the wrong parameters that had been deleted had not been changed. Downloadable records, outgoing emails, monitoring and recording all pointed to him. The company only gave him one night: resign voluntarily or call the police. Everyone was waiting for him to confess, but Cheng Yan discovered that the chain of evidence was as complete as an answer written in advance. Since old evidence can be faked, he will make a new plan that only the mole can get. Whoever dares to use it tomorrow will prove his innocence for him!