
Unknown Origins
2020 • Drama, Thriller
In Madrid, Spain, a mysterious serial killer ruthlessly murders his victims by recreating the first appearance of several comic book superheroes. Cosme, a veteran police inspector who is about to retire, works on the case along with the tormented inspector David Valentín and his own son Jorge Elías, a nerdy young man who owns a comic book store.
Runtime: 1h 37m
Why you should read the novel
Reading 'Unknown Origins' by David Galán Galindo immerses you in a brilliantly crafted world where comic book lore collides with the chilling realities of a serial killer investigation. The novel delves deeper into the minds and motivations of its characters, especially the interplay between hardened detectives and eccentric geek culture enthusiasts. Through vivid prose, detailed worldbuilding, and sharp dialogue, readers experience Madrid’s enigmatic atmosphere in a more nuanced and personal manner than a film can provide.
Unlike the movie, the book explores intimate character backstories and internal struggles, offering layers that screen adaptations often gloss over or condense. This depth allows each figure to feel more tangible and relatable, especially as you trace their grappling with trauma, heroism, and the meaning of identity. The narrative pays respectful tribute to comic book storytelling, picking up on subtle references and emotional arcs only hinted at in the film.
For those who want to savor the suspense and cleverly constructed mystery at their own pace, the novel is the superior choice. By engaging directly with the source material, readers get the full, unfiltered vision of Galán Galindo—including his original wit, dark humor, and heartfelt homage to superhero mythos that inspired the film adaptation.
Adaptation differences
One key difference between the adaptation and the novel lies in tonal execution and narrative focus. The movie plays up the humor and superhero satire, often using visual gags, dialogue, and stylized action scenes to appeal to a wider audience. In contrast, the book’s tone is more nuanced and introspective, balancing dark comedy with a deep psychological exploration of its characters’ obsessions and vulnerabilities.
Another prominent difference is the depth of character development. On screen, secondary characters sometimes serve as archetypes or comic relief to move the plot along quickly. In the novel, these characters are given richer backstories, motivations, and emotional arcs. The book spends more time with their inner thoughts and personal histories, which adds layers of complexity to their actions and relationships.
The pacing of the story is also adjusted for the medium. The movie condenses timelines, merges or omits subplots, and accelerates the investigation for the sake of suspenseful, cinematic storytelling. The book, on the other hand, unravels the mystery at a more deliberate pace, allowing readers to piece together clues alongside the protagonist and savor the gradual build-up of tension.
Lastly, certain plot points and thematic elements are modified or streamlined during adaptation. Some of the novel’s darker or more intricate references to comic book lore, as well as its cynicism about fandom and heroism, are toned down or repurposed in the film to keep the plot accessible and engaging to those with limited comic book knowledge. This results in a finished product that is visually dynamic but less densely layered than the original literary vision.
Unknown Origins inspired from
Unknown Origins
by David Galán Galindo