Mun-young had been deprived of dreams after her father disappeared and left her to fend for herself at a young age. She worked hard and eventually became a prosecutor. Mun-young meets Sung-jae, who inspires her to start dreaming of a future again. With a perfect husband and lovely children, Mun-young thought that life would stay smooth, but one day, Sung-jae disappears the same way her father did.