本片主要探寻北京胡同的发展变化。短片从感情、生活、商业三个维度进行采访和调查，力图去探寻胡同这一文化与商业双重载体，探寻这一历史情感寄托。

In this film, emphasis is placed on exploring the development and change of Hutong in Beijing. Interviews and surveys are carried out in this short film from three perspectives including emotion, life and business in order to explore the Hutong culture and business, and explore the historical emotion.