The story is narrated by a who has lived his entire life in an impenetrable underground basement.

He lives with his parents, grandmother, and two siblings. Every member of the family is horribly disfigured from a mysterious fire that occurred before the boy was born—an event that is never discussed.

(English title: The Light of the Fireflies ) is a psychological thriller by Spanish author Paul Pen , first published in 2013. The novel is a haunting exploration of family secrets, isolation, and the search for hope in oppressive darkness. Core Premise & Plot

The boy begins to question why they are shut away, who the baby's father is, and what lies beyond the locked doors. Inspired by the fireflies' ability to create their own light, he begins a desperate search for the truth about his family's past. Themes & Atmosphere

El brillo de las luciérnagas (Spanish Edition) eBook : Pen, Paul