The Legacy of the Bones

Amaia returns to the Baztán Valley while pregnant, leading a dangerous investigation that dredges up childhood trauma. She navigates a maze of family secrets, law, and personal risk, balancing motherhood with relentless detective work.

Rosario is Amaia's mentally unstable mother whose volatile behavior and tumultuous past complicate the present investigation. Her fragility and hidden memories drive much of the emotional tension in the story.

The younger Rosario appears in flashbacks, hinting at early traumas and the origins of the family’s dark history. Her presence foreshadows the long-reaching consequences of past actions.

A judge who scrutinizes the courtroom proceedings while staying attuned to Amaia's investigation. He embodies the legal gravity and the pressure to reveal the truth.

Aloisius Dupree, Amaia's former FBI mentor, provides strategic guidance from abroad and represents cross-border collaboration in modern policing.

Padre Sarasola is a psychiatrist whose interviews with Rosario frame the psychological dimensions of the case and hint at deeper conspiracies linked to the cult.

Dr. Berasategui is a physician entangled with the cult’s rites, embodying the dangerous blend of medicine, faith, and ritualistic violence.

Rosaura Salazar is a family matriarch whose actions and connections within the past shape the investigation and Amaia's present choices.

Tía Engrasi uses tarot predictions to warn Amaia of lurking evil, while hinting at a troubled family history that resurfaces during the case.

Amaia's American husband, James, supports their growing family and navigates the strain of Amaia's dangerous job and frequent separations.