The biggest power imbalance in the workplace is not the superior-subordinate relationship, but "I have exposed my most vulnerable and humble side to you." The ex-boyfriend has become the immediate boss with the power of life and death. He is not here for revenge, he is here for "dimensionality reduction strike" and trying to get her back. But Cheng Nian is no longer the intern she was back then. Over the past five years, she has accumulated terrible raw data and industry insights. An ultimate "office power and emotional game" unfolded between them: in the company, you and I are kings and ministers, but after get off work, you and I are enemies. The collision of emotional pull, workplace competition, business secrets and past feelings turn the office into a smokeless Shura field.