Ioan, Ditmir and Alfredo are serving their sentences in La Stampa prison. Eros has worked there as a prison officer for eleven years. They share, albeit on opposite sides, the relationship with the world inside, the prison reality that the documentary recounts in all its dimensions, providing an exclusive testimony by virtue of the access allowed to the cameras. The protagonists have agreed to talk barefaced about their lives behind bars, the dimension of time, the meaning of the word freedom, the relationship between good and evil, the sentence imposed, the guilt to be expiated and what it means to work in a prison, a closed world parallel to the reality we all know.