After graduating from junior high school, due to family constraints, 15-year-old rural boy A Yuan (Wang Jingwen) gave up his studies and came to Taipei to work. He experienced the hardships of life for the first time, but he still worked hard for his ideals. A year later, Ayuan's childhood sweetheart Ayun (Xin Shufen) also came to Taipei and learned that the real Taipei was the same as what Ayuan described in his letter...