The veteran was injured while saving Dana's father during the war. Shrapnel remained in his brain, causing him to suffer from intermittent amnesia.In order to repay his kindness, Dada asked his son to take the veteran back to take care of him in his old age. Due to Musheng's negligence, the old man got lost.All the villagers of Ivory Mountain mobilized to finally find the old man. In order to praise everyone's virtue of helping others and helping each other, the village established the Ivory Mountain Help Team and awarded everyone the title of “Good Person of Ivory Mountain”.The old man's memory was confused and he returned to the war years. The villagers acted with him to help him regain his memory. They also found his comrades who had been missing for many years, allowing the old man to fulfill his wish.During this process, everyone experienced the entire military career from joining the army to resisting U.S. aggression and aiding Korea. Everyone seemed to have grown up differently as a soldier.At the same time, it also makes everyone realize that without the bloody battles of our revolutionary ancestors, there would be no today's peaceful era. Let us learn to cherish today's hard-won happy life and learn to be grateful.