The book by Arturo Padilla de Juan follows six young friends—Adrià, Xavi, Grenyes, Laia, Paula, and Sheila—who go camping on Midsummer’s Night (Sant Joan). Their trip to an abandoned castle turns into a nightmare as they are stalked by a mysterious presence linked to a tragic event from four years earlier. Summary Resources
by Arturo Padilla de Juan leads to several helpful resources, including a dedicated academic blog and the author's official site where you can read the story. Arturo Padilla de Juan Summary of "Ombres a la foscor" ombres a la foscor resumen por capitulos link
Adrià's younger brother and the antagonist who drives much of the conflict. The book by Arturo Padilla de Juan follows