Civil Guard Lieutenant Elena Suárez leads the investigation. While evidence points to Luis as the killer of a woman named Manuela, forensic proof makes his involvement seemingly impossible.

Luis is a vulnerable, tormented young man fleeing from his brother, Lucas, and a mysterious blonde woman who have made his life a "tragedy".

Reviewers on platforms like Goodreads and Amazon highlight several key strengths:

Psychiatrist Amelia Torres takes on Luis's case following his suicide attempt, eventually becoming personally entangled in the toxic relationship between the two brothers. General Information Genre: Psychological Thriller / Crime. Publisher: Letrame Grupo Editorial (latest edition).

Approximately 278 to 301 pages depending on the edition. El demonio que me acecha by Inés Torralba Arjona | eBook

by Inés Torralba Arjona is a Spanish-language psychological thriller and crime novel that has received generally positive feedback from readers, currently holding a 4.3 out of 5 stars rating from over 50 global reviews on Amazon . Critical Reception & Reader Consensus

Readers describe the book as "fast-paced" and "addictive," noting that it hooks the reader from the very beginning.