本书故事就是由此历史背景下演绎而来，主人公“奶奶”也是当年八路军战士的后代——小落，她向自己的孙女叙说着寄养生活的经过。一场关于奉献、母爱、军民鱼水情的感人故事就此展开。The story of this book is derived from this historical background, and the protagonist "Grandma" is also a descendant of the Eighth Route Army soldiers - Xiaoluo. She tells her granddaughter about the process of foster care. A touching story about dedication, maternal love, and military civilian relationships unfolds here.