A Spanish-language audiobook narrated by Lara Casals is also available for those who prefer listening to their suspense. Beyond the Page: Netflix Adaptation

Critics note that the novel leans heavily into melodrama, perhaps more than Castillo’s previous works. However, the general consensus among the 12,000+ Amazon reviews is overwhelmingly positive, praising the novel as "adrenaline-pumping" and an "absorbing reading experience". The plot deviates from a standard police procedural, focusing on emotional echoes and the question: What secrets are hidden in the beats of a donor heart?