Hong Hae-in, the third-generation heir of the Queens Group, and Baek Hyun-woo, an ordinary supermarket son, overcome their class differences to get married, but they face a crisis in their third year of marriage. This romantic drama depicts the process of them realizing each other's sincerity and reaffirming their love in the face of an unexpected crisis on the verge of divorce. The excellent performances of Kim Soo-hyun and Kim Ji-won and the solid storytelling of writer Park Ji-e