A woman deliberately gets close to a business tycoon, and her long-lasting gentle companionship draws mockery from others who accuse her of currying favor with the powerful. The CEO gradually falls deep into affection, cherishing her wholeheartedly, unaware that she only approached him because he bears a striking resemblance to her deceased fiancé, and her true motive is to uncover the truth behind her fiancé's mysterious death in the company's project. When the CEO's childhood friend publicly exposes her as a stand-in, heartbroken, he confines her, tormenting her with a mix of love and hate while secretly protecting her. After uncovering the truth and realizing her pain and the hidden conspiracy behind the accident, the CEO, filled with guilt, humbles himself to reconcile, and they join forces to hunt down the culprit. Yet, as evidence is destroyed, the case stalls, and the path of their relationship remains shrouded in uncertainty.