The CEO has long been deceived by his beloved white moonlight. On the eve of their engagement, he accidentally has a body swap with the female lead. The two are forced to pretend to be each other, work together to punish the two-timing scumbag, root out the mole inside the company, and help the female lead find her long-lost biological father. As they spend every day together, the CEO sees through the hypocrisy of the white moonlight and falls for the female lead. After the lies are exposed, he breaks through countless obstacles and insists on staying together with the female lead.