1. Gather Up the Killers

After five quiet years, Klaus's old enemies swoop into town, threatening the vampire-witch truce. To cure the Mikaelsons, Hayley acts on a dicey tip.

2. No Quarter

Elijah's crew ramps up the search for Klaus, as the imprisoned Klaus battles his inner demons. Marcel learns about Hayley's quest for the venom cure.

3. Haunter of Ruins

As Klaus bonds with Hope, his siblings debate their future. Vincent, disturbed by new abductions, tells Marcel about his past with sacrificial magic.

4. Keepers of the House

Hayley brings Hope to Vincent, whose curative spell leads to a revelation about the abductions. Now allied, Freya and Keelin plot to rob Marcel.

5. I Hear You Knocking

Haunted by dark visions, Klaus and Marcel struggle to resist The Hollow, while Freya readies her purifying potion and Hayley seeks help from Mary.

6. Bag of Cobras

Hoping to expose The Hollow's allies, the Mikaelsons host a lavish party in the Quarter, while Hayley uses Freya's magic to find answers in the past.

7. High Water and a Devil's Daughter

While Freya casts a spell to protect her family from The Hollow's servant, Elijah pressures Vincent to attack The Hollow through a dangerous ritual.

8. Voodoo in My Blood

Guided by an old foe, Klaus and Hayley go to the ancestral world for help with The Hollow, while Marcel and Elijah team up to find the missing bones.

9. Queen Death

While The Hollow, in Sofya's body, holds the wounded Elijah captive, Vincent and Marcel plot ways to kill the spirit before it becomes unstoppable.

10. Phantomesque

As Freya attempts to revive Elijah by entering his subconscious through a spell, Marcel tracks down The Hollow, whose blood he needs to save Sofya.