Fang Nian, a cool and rational architectural designer, was appointed as his exclusive assistant by the company president Lu Chenzhou during a critical period for career advancement. Everyone was envious, but only Fang Nian knew that he was just a substitute for Bai Yueguang in his heart. She restrained her love and acted as the perfect stand-in for three years, but during a business duel she discovered Lu Chenzhou's deeper secret. When Bai Yueguang returned to China, Fang Nian handed over her resignation and breakup agreement, but Lu Chenzhou pressed her against the wall with red eyes: "Do you think you can leave?"
When the hunter becomes the prey, the chess players are willing to become the pawns. This three-year chess game finally ends with each other as the reward.