A middle-aged woman in Busan searches for the son she lost in Gilsodom during the Korean War.

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.

Young-Hu and Young-Wuk are half brothers and felt uncertain intimacy even though their personalities are totally different. At the first moment he saw Min-Jeong, Young-Wuk's girl friend, Young-Hu fell in love. He avoided her intentionally but the day his biological mother remarried, he happened to spend a night with her in a complicated feeling. After that Young-Hu got the blues due to sense of guilty and Young-Wuk was despair as Min-Jeong confessed him she loves Young-Hu. As he found Min-Jeong's pregnancy, Young-Hu hated shady new life and made fun of Min-Jeong and himself. Thus enraged Young-Wuk madly drove his car to the running train with Min-Jeong.

Jong Sil, a sound effects director, is awarded a carte blanche for his ingenious invention of a coke bottle opener sound used in a commercial film for an Arab client. Ecstatic, drunk, he heads home to his wife and kids, only to end up spending the night in an apartment unit one floor above which belongs to a single woman. The preposterous one-night-stand snowballs into a major event, for which he is reported gone missing on TV. Lost, Jong Sil becomes more involved with the woman, discovering things about her, as their relationship takes an unexpected turn.

Young-min secretly admires Hye-rin whom he saw in a play and sends her flowers anonymously every performance of hers. However, Hye-rin marries a gynecologist Oh Seong-wu and leaves for New York.