Hayley goes missing after someone from her past makes a startling revelation. Klaus has a dangerous encounter with an unexpected visitor. Davina makes a surprising connection. Marcel makes Rebekah an enticing offer that leaves her torn.

Cami feels threatened, as Marcel rallies an army to take back control of the city.

Klaus wants Hayley to re-establish herself in her pack. Mikael is impatient under Davina. Cassie arouses suspicions.

Davina takes Mikael to a cabin to heal from his wolf bites. Klaus searches for them. Elijah, Marcel and Hayley try to rescue some young wolves.

After discovering that poachers have begun taking out werewolves in the bayou, Elijah and Jackson grow concerned for Hayley's safety when she fails to show up during the full moon. Meanwhile, Davina, the only one with the answer to Hayley's whereabouts, plots ways to use that to her advantage. Elsewhere, Cami approaches Klaus with her theory on who is behind the series of murders in the French Quarter, while Lucien delivers to Elijah an unsettling warning about the war brewing among the sire lines. Finally, after receiving a dire prophecy about the future of the Mikaelson siblings, Klaus takes extreme measures to determine the validity of this potential impending threat.

When Klaus learns that Cortez, an old vampire with a vendetta against him, has arrived in New Orleans, he finds himself forced to deal with this new threat. Meanwhile, when Cortez begins threatening the lives of innocent residents, Vincent has no choice but to help the vengeful vampire in his plan to take down Klaus. Elsewhere, Marcel turns to Davina for her help after several Strix members turn up missing, and Elijah confronts Hayley after learning that she’s been dealing with Jackson’s death in a destructive way.

After receiving new visions of the looming prophecy, Freya uncovers that her family is on a collision course with a dangerous new enemy. Meanwhile, with the help of Detective Kinney, Vincent and Kol travel to the ancestral world to put a stop to the witches and take back their city once and for all. Elsewhere, Klaus and Elijah confront Marcel after a heartbreaking plan gone wrong has sent him spiraling.

After five long years apart, Klaus attempts to reconnect with his daughter, Hope. Even as father and daughter bond, the rest of the family is still in turmoil. Elijah mediates a conflict between Hayley and Freya to determine the best way to protect the family. Meanwhile, in New Orleans, Vincent tells Marcel terrible secrets about his ex -wife, Eva Sinclair, even as they begin their search for a mysterious witch who plans to sacrifice a group of innocent children – including Hope Mikaelson.