His own father had hated Crown Prince Sado. The king finally orders to kill him by locking him up in a rice-chest. After his death, his wife Hong goes with her son to her parents' house to live there. Some high officials in the court constantly try to harm Sado's son because they don't want him to become king. But Hong's wisdom saved her son, who grows up to become the 22nd king of the Joseon Dynasty (1392-1910).

King Sukjong assigns Jang Ok-nan, a court lady, as a concubine overnight. Jang plots to drive the current Queen into exile.

Nam-Ok who has Yun-Ho and Yun-Suk remarries widowed Heung-Yeol who has Hyeong-Tae and Hyeong-Ja. Nam-Ok are concerned about frequent quarrels between half brothers and sisters, but manages to deal with them wisely. As Yun-Ho who went to fishing with him falls into the water, Heung-Yeol tries to save him only to drown himself to death. Fifteen years later, Hyeong-Tae goes abroad to study while Hyeong-Ja lives in extravagance in Seoul. Yun-Suk gets to know Dong-Oh on the train, and Dong-Ho gets to like her, but later misunderstands her due to Hyeong-Ja's scheme, which causes Yun-Suk to commit suicide.