: A young woman who enters the prison as a volunteer. Her character represents the "white" or innocent side of the story—someone who approaches the prison with fear and prejudice but also a desire to help.
: An inmate serving time for a "terrible crime." She represents the "black" and "gray" shades of the prison, living in the isolation of a cell and the complex social hierarchy of the inmates. Presas Beatriz Esteban epub
The book challenges the binary view of morality, famously encapsulated in the quote: "The world is a scale of gray, but we always see it in black and white" . It explores how the line between those "inside" and "outside" is thinner than society often acknowledges. Character and Setting : A young woman who enters the prison as a volunteer