In this episode, the investigation into Sara’s fate takes a chilling turn as Álex Guzmán faces immediate physical danger while uncovering the truth about his sister's "death".
: While Álex is incapacitated, Chema Lazcano continues his downward spiral, eventually leading him toward the same facility where Sara was held. Key Character Arc: Reinaldo de la Virgen [S3E4] Welcome to the Medusa Center
: The "Medusa Center" serves as a metaphor for the historical abuse of psychiatry to control marginalized or mentally ill individuals. In this episode, the investigation into Sara’s fate
: The episode introduces the Medusa Center, a secretive psychiatric facility led by Reinaldo de la Virgen (Jean Reno). It is revealed that this center is not for healing but for unethical experimentation. : The episode introduces the Medusa Center, a
: Through critical flashbacks, the audience learns how Sara became the primary focus of Reinaldo’s "Medusa Project". It is established that Reinaldo was obsessed with experimenting on her because of her schizophrenia, believing he could "cure" it and other behaviors he deemed deviant.