Francisco Méndez is fourteen years old, with an extraordinary intelligence and a passion: Sherlock Holmes books. Not only does he know more than anyone about the famous detective, but he reasons like him. His relatives hope that his brilliance will make him famous, but those expectations overwhelm Francisco. On the other hand, the mysterious killings of three women from his neighborhood test him and take him down a fascinating path. Without a doubt, this novel will entertain readers with the challenge that both police cases and personal conflicts entail.