By day, Seoyun is the hardworking secretary to Taegwan Group’s somewhat arrogant, impossibly handsome Executive Director Jihyeok Seo, who she happens to have a huge crush on. But after a drunken mishap and a colossal misunderstanding, her life is turned upside down. When Jihyeok’s friend mistakes Seoyun for his girlfriend, his unexpected solution is a fake relationship bound by a strict contract including mandatory dates and public displays of affection. As fake dates lead to real kisses and unexpected sweetness, Seoyun begins to wonder just how fake this relationship actually is.