"Belleza Roja" is a gripping crime novel that unfolds in Santiago de Compostela, where the brutal murder of a young girl named Xiana Alén shocks the community. The story intricately weaves together the perspectives of various characters, including the detectives assigned to the case, as they delve into the complexities of the victim's life and the secrets hidden within her family and social circle. As the investigation progresses, themes of betrayal, hidden desires, and the impact of past traumas emerge, creating a suspenseful narrative that keeps readers engaged until the truth is finally revealed.