Innato

Psychologist Sara reels from the news that her father has been released from prison, 25 years after he was arrested for burning three people to death.

After a new murder, the police ask Sara to profile her father's modus operandi. Interest in the case leads to a troubling incident at Sebas' school.

As the police search Félix's house, he agrees to give Arias his first ever statement. Sara meets Jaime to make amends but ends up playing with fire.

With a journalist on her case, Sara struggles to keep her identity a secret. Arias and Jota hunt for an admirer with violent tendencies.

The family adjusts to their new reality as Arias looks into the movements of a potential new suspect. In the past, a young Sara hits rock bottom.

Mario puts himself at risk to assist the investigation. At the rowing club Sebas makes veiled threats, while a session with Jaime turns volatile.

Félix receives a package which spells disaster for one more victim and jeopardizes Arias' position. Quique invites Sebas for some beers with the guys.

As Sebas faces life-changing consequences and Sara's world collapses around her, could an old letter finally reveal the killer's identity?