Due to his grandfather's arrangement, Su Yang secretly married Shen Youqing. After the wedding, Shen Youqing disappeared for three years. Three years later, Su Yang was reduced to a security guard at Tianming Group, but discovered that his immediate superior was none other than Shen Youqing. Shen Youqing wanted a divorce, but due to an accidental reunion, workplace troubles, and a multi-billion project cooperation, she remained entangled with Su Yang. Relying on his calligraphy talent and military qualities, Su Yang resolved project crises and saw through workplace framing, causing Shen Youqing to gradually change her view of him. After experiencing events such as manhunts and frame-ups, their feelings warmed up, while simultaneously uncovering the truth of their marriage and past entanglements, and Su Yang's plan to look for old clues quietly advanced.