The story follows Roberto Fuentes, an elite agent from the UCO ( Unidad Central Operativa ) of the Spanish Civil Guard.

: Readers frequently call the book a "page-turner" and praise Meneses' ability to keep the audience hooked from the very first chapter.

: Reviewers who know the Asturias region highly praise the accuracy and beauty of how the coastal landscape is depicted. The Cons:

: Reality mirrors his nightmares when his former boss calls him. A young woman has seemingly committed suicide by jumping from a cliff in Roberto's hometown—a place he swore never to return to.

: Some seasoned thriller readers on Babelio have noted that the central mystery and the identity of the killer can be somewhat predictable if you pay close attention to the early clues.