A strange old man lived in an illegally-built suite on top of a building. One day, the girl Zhenzhen broke into the place and found a way to spy on her father through the window. With more frequent visits, neighbors began to suspect that the old man was hiring prostitutes. Zhen-zhen’s mother began to worry whether her daughter is with the old man. Misunderstandings and rumors between Zhen-zhen and the old man were intensified, but more scandalous secrets of her family were revealed.