The year is 1959. The place, Curitiba, Brazil. Private detective John Clayton is hired by the mysterious and seductive Helen Zola to investigate her husband, a scientist with a secret and abominable past. Against the wishes of his faithful friend Vonetta, Clayton accepts the case and gradually finds himself in the middle of a dark plot involving a library created by the legendary Dr. Lucchetti, which harbors the secrets of monsters, vampires and other macabre creatures.

Vonetta, Helen, and Clayton are back! Inspired by the work of Rubens Francisco Lucchetti, master of Brazilian comics and pulp fiction, these shadowy anti-heroes will have to face new challenges and even the devil himself.