The story revolves around the growth and struggles of three young people, with the protagonist and two companions, Leo and Zi Xuan, arriving at a prison. For them, the prison represents a form of protection, but they must also face endless labor and injustice. Jack wishes to escape the prison in search of freedom. However, after Jack and Zi Xuan escape, they voluntarily return to the prison. This is all a figment of Jack's imagination, transforming social work into a prison, and the people and events they encounter, along with various pressures and guilt, into prison guards. They have to face the confusion of life and the helplessness of reality. What do you consider to be a prison and what is freedom to you?