Park Yoo-Ha studied hard in medical school and finished her intern course. She works hard to become a doctor due to her father. Her father raised 4 children by himself and her oldest sister also sacrificed for the family. Park Yoo-Ha is not interested in other people. Suddenly, her father marries a woman rich enough to own a building.

Meanwhile, Jung Eun-Tae works as a doctor. He volunteered for performing medical service abroad, but he comes back to Korea. Jung Eun-Tae is not interested in marriage, because his father placed priority on his medical work over family and Jung Eun-Tae believes he is like his father.