[s4e5] I Hear You Knocking -

: A link is revealed between the Hollow's dark magic and Hayley's former wolf pack, suggesting that the ancient evil has been targeting her bloodline for generations. Emerging Dynamics: Freya and Keelin

While the men battle their demons, Hayley Marshall uncovers chilling details about her own lineage through Mary. [S4E5] I Hear You Knocking

: The final scene reveals that Sofya is actively conspiring against the Mikaelsons, working with a witch named Dominic. : A link is revealed between the Hollow's

Watch the official inside look for this episode to see the producers discuss the Hollow's psychological grip on Klaus and Marcel: [S4E5] I Hear You Knocking

: Marcel is haunted by visions of Elijah and Klaus, who goad him to finally seize his revenge against the Mikaelson family for their centuries of betrayal.