Klaus's family has yet to forgive Klaus's actions. Klaus's old friend decides to show up and show him Chaos. While Elijah tries to hunt werewolves down to protect Hayley leaving Freya on nanny duty. Meanwhile Marcel's has organized another vampire community, while Davina is learning to control the coven as their leader only to find it's not as easy as it looks and seeks help from Hayley.
After discovering that poachers have begun taking out werewolves in the bayou, Elijah and Jackson (recurring guest star NATHAN PARSONS) 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 (recurring guest star ANDREW LEES) delivers to Elijah an unsettling warning about the war brewing among the sire …
Klaus seeks to take revenge for the taking of his baby, Hope, by Hayley and Jackson whom Elijah also seem to be against Klaus. Meanwhile Davina tries to lead her coven, and seeks help from Freya to bring Kol back. Hope is kidnapped, meanwhile Klaus is hostage at the attic.
In order to uncover what his old acquaintance Tristan is really up to in New Orleans, Elijah considers attending a gala thrown by a mysterious group of ancient vampires known as The Strix, while Hayley invites herself to attend with him.
As the war among the sire lines continues to grow, Klaus receives an unexpected visit by a figure from his past. When Elijah suspects that Tristan (recurring guest star OLIVER AUCKLAND) is hiding something, he enlists Marcel's help to find out what he's up to. Elsewhere, Davina struggles with her role as Regent and seeks advice from Hayley. Finally, an ancient secret that is uncovered threatens to tear the Mikaelson brothers apart for good.
When Elijah and Freya realize that Rebekah may be the target of The Strix's latest plan, they do whatever it takes to protect her. Klaus spends time with Aurora to figure out where her loyalties lie, while a dangerous run-in with a member of The Strix leads Hayley and Marcel to make an unsettling discovery.
With a dire prophecy looming over them, Klaus and Elijah invite Lucien, Tristan and Aurora to a Thanksgiving gathering in an attempt to negotiate a truce. When Aurora reveals that she has powerful leverage over Klaus, Hayley and Freya take matters into their own hands, leading to a deadly three-way confrontation. Elsewhere, Marcel and Vincent are forced to take drastic measures when they realize Davina may be in over her head, and Cami finds herself face to face with a dangerous new threat.
After learning that Cami's life is in danger and Aurora (recurring guest star REBECCA BREEDS) may be to blame, Klaus is forced to engage in another one of Aurora's devious games and follow a series of clues she's left behind for him. Meanwhile, Elijah, Freya and Hayley take drastic measures against Tristan (recurring guest star OLIVER ACKLAND) when they discover he holds a valuable piece of information they need. Elsewhere, Aya (recurring guest star TRACY IFEACHOR) gives Marcel an ultimatum that leaves him with a difficult decision to make, while tensions between …
When a dangerous affliction threatens to expose one of her siblings, Freya searches for a way to reverse the crippling curse, even as she finds herself the target of the Strix's latest plan. Elsewhere, Klaus keeps a watchful eye over Cami while she attempts to help Detective Kinney (recurring guest star JASON DOHRING), whose life has begun to spiral out of control as a result of Lucien's (recurring guest star ANDREW LEES) compulsion. Meanwhile, a confrontation with Marcel causes Vincent to reevaluate his decision to stay out of witch business, and Hayley's attempt at …
In the aftermath of a horrific plan that left Cami dead, Klaus declares war on Aurora (recurring guest star REBECCA BREEDS) and Tristan (recurring guest star OLIVER ACKLAND). Elsewhere, Vincent, who has resumed his role as Regent to the New Orleans witches, is forced to use his magic against his will, while Hayley and Jackson (recurring guest star NATHAN PARSONS) find themselves pawns in Tristan's twisted game. Finally, after learning that Tristan is in possession of a powerful weapon that could take their family down once and for all, Klaus, Elijah and Freya enact a …
Elijah learns that Aya might have knowlege about an elusive weapon that can take down Original Vampire for good. Davina receives a tempting offer which brings closer to reuniting Kol.
Klaus ends up in a standoff with an unlikely foe when a weapon that could destroy the Mikaelsons falls into the wrong hands.
Aurora uses Freya as bait to lure the Mikaelson brothers into a trap.
The unexpected arrival of Stefan Salvatore may be the key to helping Freya rescue Klaus and Elijah from a magical trap.
When Klaus learns the Cortez arrival to vendetta against him, Klaus finds himself dealing with the new threat. Meanwhile, Cortez begins threatening the lives of innocent residents, Vincent has no option but to assist Vengeful Vampire in his plan to take down Klaus.
When rumors begin to spread about the remaining white oak bullet, dangerous foes descend upon New Orleans in an attempt to take down Klaus once and for all. As the threats continue to grow, Elijah urges his siblings to lay low at the compound while Marcel, Vincent and Josh chase down a lead involving a mysterious vampire named Sofya , who may have the answers they're looking for. Meanwhile, tensions inside the compound build as Kol is forced to come face to face with his brother Finn, the person responsible for his death. Elsewhere, Klaus and Hayley seek shelter with …
When its discovered that Freya has been kidnapped and is in the hands of a dangerous new threat, the Mikaelson brothers are forced to put aside their differences in order to save her before it's too late. Following a lead that brings them to Mystic Falls, Elijah and Finn run into deputy Matt Donovan, who does not take well to new vampires in his town. Meanwhile, Klaus and Hayley work together to uncover the motive behind one of Lucien's secret agendas, while a troubling shift in Kol's behavior leaves Davina concerned for their future together.
As the city celebrates its annual Jazz Fest, an unlikely team of Mikaelson foes joins forces to take Klaus hostage. Leading the charge to get their brother back, Elijah and Freya face off against a powerful force like none they’ve ever seen before, while Hayley and Cami set their own risky plan in motion to rescue Klaus. Meanwhile, when Kol’s erratic behavior worsens, Davina has no choice but to turn to Marcel and Vincent for help.
Following a violent encounter that has left Cami’s life hanging in the balance, Klaus is forced to rely on his family and allies to find a cure as he keeps a watchful eye over Cami at the compound. With time running out, Freya turns to her arsenal of spells, while Vincent and Marcel head to Cami’s apartment to gather a crucial ingredient. Elsewhere, Hayley and Elijah travel to the bayou in hopes of bringing back a potential antidote that could save Cami’s life. Finally, Davina confronts Lucien and learns some heartbreaking information that will change her future with Kol forever.
In the wake of a ruthless plan that has left their family shattered, Klaus, Elijah and Freya desperately search for a way to take down Lucien once and for all. However, their efforts are put on hold following an urgent plea for help from Kol and Marcel. At Klaus’ insistence, Freya and Elijah reluctantly stay behind to offer their help, while Klaus and Hayley head to the bayou after uncovering Lucien’s latest plan. Once there, an unexpected showdown between Klaus and Lucien forces Freya to take matters into her own hands, setting off a chain of events that will change all of their lives forever.
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 months of thwarting off dangerous threats and deadly attacks, the Mikaelson siblings finally come face to face with the one person that could lead to their ultimate demise. With the stakes higher than ever and the compound overrun by an army of his oldest sworn enemies, Klaus is put on trial for centuries of atrocities he’s committed. Meanwhile, Marcel, who has been spiraling out of control following an act of betrayal by those closest to him, is stunned by the unexpected arrival of someone from his past. Finally, Elijah, Freya and Kol frantically search for a way to save their family before it’s too late.