Watch the official inside look for this episode to see the producers discuss the Hollow's psychological grip on Klaus and Marcel:
While the men battle their demons, Hayley Marshall uncovers chilling details about her own lineage through Mary.
: The Hollow manifests as his abusive father, Mikael. These hallucinations taunt Klaus, suggesting he is weak and that the only way to protect his daughter, Hope, is to revert to his most brutal, murderous self by killing Marcel.
The Hollow anchors itself to the living world by exploiting the darkest fears and past traumas of powerful supernatural beings.
: Hayley discovers that her parents were murdered by Mary’s husband while he was under the influence of the Hollow.