A hilarious romance between neighbors and cousins ​​that depicts the story of an old bachelor and an old maid who have an outdated notion that men and women must get married after sleeping together and accidentally spending a night together after meeting each other, who are the complete opposites of their ideal types. Lee Mu Gae is a capable bachelor who is a literary critic and editor-in-chief of a publishing company. He is a dutiful son, a top student, and takes great care of his younger sister, but because of his timid personality, he is not good at confessing his love, and his specialty is unrequited love. Do Do Hye is a spinster who is the head of a publishing company's design department. She, who is a master at playing alone, is a woman who believes that she is the perfect bride in terms of face, body, and ability. However, she also has a strange ability to block men who approach her. (Source: Korean = JoyNews24.com || Translation = MyDramaList)