In a village lives two girls, Park Sun-deuk and Lee Sun-deuk. One day, war suddenly breaks out. Lee Sun-deuk flees to seek refuge while Park Sun-deuk remains in the village. When Lee Sun-deuk returns to her hometown, she finds the village in complete ruins, and her friend is nowhere to be found. In the book, hide-and-seek is used as a metaphor for war to show its inevitable reality through the eyes of children.