While enjoying a picnic with his family, a prosecutor Kang Mun-Kil in the public safety department sees that children suffer a disastrous accident with the bomb explosion while playing with it. He recalls the past in which he has experienced the misery of the war himself. Not escaping from Seoul, his family was captured by the communists and he hid himself in the basement of a church. Imaging the last moment when his family is sentenced to death, Mun-Kil realizes the importance of the national safety with the famous people from the various social circles,