A popular idol and a manicurist fall into a romance with an expiration date when they have to pretend to be married. Two different people leading different lives cross paths due to a scheme around a candid camera incident. To deal with the aftermath, popular star Yi Han and manicurist Pei You You, who has always dreamed of buying her own house, enter into a marriage contract. From strangers who wanted nothing to do with each other, the pretend couple eventually develop real feelings. However, reports of their agreement leak to the public. Furthermore, a conspiracy that has been brewing for a long time comes to the surface. Can Yi Han still prove that his heart is true?