In Episode 9, the investigation revolves around a series of mysterious disappearances linked to a local festival, where several attendees go missing under suspicious circumstances.

Detective Anna Müller takes the lead in this episode, showcasing her determination and resourcefulness as she navigates through various leads and suspects.

Detective Anna Müller grapples with her past traumas as she encounters a victim's family, which forces her to confront her own fears and motivations for being in law enforcement.

Throughout Episode 9, Anna's relationship with her partner, Detective Tom Schreiber, deepens as they face challenges together, leading to moments of vulnerability and trust that strengthen their bond.

A crucial piece of evidence is discovered when Anna finds a hidden camera footage from the festival, revealing a suspect who had been stalking the victims prior to their disappearances.