For many years, Mr. Lee has been keeping a secret from his wife and two daughters that his elder daughter, Chelsia, is having some serious heart disease. Only his good friend, Dr. Fong, who made the diagnosis knows about it. Chelsia meets Ma, an overseas Chinese, at her secondary school graduation ball and gradually they fall in love with each other. Doctor Ma's son Chileung, who grows up with Lee's daughters, is fond of Chelsia while the younger daughter Chelwin loves him. However, neither of their affection is returned.

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.

June 25, 1950. When second lieutenant Jang has a date with his girl friend during weekend, numerous North Korean jet fighters make sudden air raids to the skies of Seoul. It is the beginning of Korean War. In spite of Korean Army's brave defense, North Korean army reddens South Korea with their state-of-the-art weapons. This movie describes the progress of war from the invasion in June 25, 1950 to the reclamation of territory on the basis of Sun-A's personal experience. Also this film reminds hard lessons from tragic history.