The victims of persecution by feudal society in the old society changed from simple kindness to bitterness. Their life should have been happy, but in the dirty environment of the old society, they had to start clinging to the trend. The gap between people is becoming more and more different from life, just like Lu Xun and Runtu, good friends who talk about everything. They haven't seen each other for more than ten years, but they are also strangers. A grandfather abruptly stabbed Lu Xun's heart, but it was more helpless and sad.