A woman deliberately gets close to a business president, and her long-term gentle companionship attracts mockery and flattery from others who suck up to the powerful. The president gradually falls deep into affection, cherishing the other person with all his heart, unaware that the woman approaches him only because his appearance resembles her deceased fiancé, and this trip is solely to find out the truth about her fiancé's mysterious death in a corporate project. The president's childhood sweetheart publicly exposes the substitute reality, and under the shattering of his heart, the president confines the woman, caught between love and hate, tormenting her in all sorts of ways while secretly protecting her. After figuring out the inside story, understanding the woman's suffering, and realizing that the accident had other twists, the president bows his head in guilt and reconciles, and the two join hands to track down the culprit, yet due to the destruction of evidence, the case stalls and the path ahead for their feelings is shrouded in heavy mist.