: Cavilla uses the murder to explore universal human themes of greed, hatred, and the destructive nature of obsessive revenge.

The investigation is led by , a veteran officer nearing retirement, and his young assistant, Inspector Guillermo . As they delve into the case, they discover that Don Paco was widely hated both within and outside his family. The probe unearths decades of hidden miseries, unconfessable secrets, and a long-standing family curse. Themes and Literary Analysis

The story begins in in the fictional town of Camino de Piedras , located in Badajoz, Extremadura. During a large family celebration, Don Paco , the patriarch of the wealthy and powerful Pizarro family , is found brutally stabbed to death in his room after retiring early for a nap.

The novel is available through various retailers and imprints under the Planeta Group : La venganza del Colibrí - Alberto Cavilla Peñalver

: The book is described as a "descarnada novela negra" (stark noir novel) that dives into the shadows of mid-20th-century rural Spanish society.

, born in Cádiz in the 1950s, is a lawyer who spent much of his professional life in the shipbuilding industry with the firm Navantia.