In the early 1950s, even the small villages in Taiwan were bathed in the atmosphere of White Terror. It was a difficult time for all. There was a beautiful young woman called A-zhen. She always felt that there was something weird in her house since she got married to her husband, A-yi, the village glassblower. A-zhen was very curious about the mystery surrounding the wall in her house. So, one day, she decided to investigate the real secret behind the wall.