Suk Moo is a very picky and sensitive man. He used to do music when he was in university, but he gave up on it for some reason. He always thinks he didn't choose the right path for his life. Hwi Roo is relaxed and positive. She has a hard time trying to get a job, so she earns her money by running a guest house on the second floor of her house and working as a physical activity teacher. She doesn't care about petty things. One day, Suk Moo and Hwi Roo get into a fight with each other over a piece of cake. They realize that they are so different. Yoo Young is a strong independent woman, but sometimes, she seems so fragile. Jang Hyun is a bad boy who is popular among women. He doesn't seem like the type to get married, but he easily got married with Yoo Young. Is marriage really the perfect form of love? This drama is a love comedy that shows how men and women differently think about love, marriage, and family.