Park Yoo-Ha worked diligently during her time in medical school and successfully completed her internship. Because of her father, she is putting forth a lot of effort to get her medical degree. Her single-parent father was responsible for the upbringing of four children, and her eldest sibling also made significant contributions to the household. Park Yoo-Ha has absolutely no interest in the company of other people. Suddenly, her father weds a woman who comes from a wealthy family and has a property. In the meantime, Jung Eun-Tae is practicing medicine. Although he had offered to provide medical assistance in another country, he will be returning to Korea. Jung Eun-Tae does not want to get married because he fears he will be just like his father, who put his career as a doctor ahead of his responsibilities to his family, and Jung Eun-Tae follows in his father's footsteps.