In most cases, 'The Girl in a Box' is not a true story. It might be a fictional tale designed to explore various concepts or to provide an interesting and captivating narrative for the audience.
I'm not sure specifically which 'girl in the box' true story you are referring to as there could be multiple cases. But generally, it was a girl who became a victim of some sort of cruel situation that led to her being in a box.
The 'Girl in the Box' is a disturbing true story. A girl was held captive in a box - like confinement for a long time. Her captor subjected her to various forms of abuse and control. It's a story of great horror and the strength of the human spirit to survive such inhumane conditions.