Humanity hides in the deepest, darkest places.

Heat, iron, dust and the smell of oil. A typical workday of maximum security inmates will prove to be fateful for all of them. They find something extraordinary inside one of the machines, and an unexpected wave of compassion makes the prisoners take hostages and block the entrance to the workshop and risk their lives, because sometimes the desire to be human is stronger than the survival instinct.—Canon y mus