With tension running as high as ever, Klaus and Elijah are forced to come together in order to uncover Lucien’s true motives in New Orleans. Cami is caught off guard when she finds herself face to face with Lucien and is surprised when he reveals some unexpected information about his past with Klaus. Elsewhere, a mysterious figure presents an enticing offer to Marcel, while Hayley turns to an unconventional way of coping with her current situation. Finally, an old acquaintance from Elijah’s past arrives in New Orleans and delivers some startling news involving the growing threat to the Mikaelson siblings.

While Klaus finds himself dealing with pressing matters at home, Elijah reluctantly aligns with Aya after learning that she may have knowledge of an elusive weapon that could kill an Original vampire for good. Meanwhile, alone and shunned by her coven of witches, a desperate Davina is left conflicted after she is approached with an enticing offer that could bring her one step closer to reuniting with Kol.

When a powerful weapon that could take down the Mikaelsons for good ends up in the wrong hands, Klaus finds himself in a tense standoff with an unlikely foe. Meanwhile, Elijah's attempt to reclaim control of The Strix leads to a violent showdown and the emergence of a potential new leader. Elsewhere, when a new coven of witches tries to influence Davina into helping them locate the elusive weapon, she quickly realizes she may be in over her head.

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.

Dangerous foes descend upon New Orleans in an attempt to take down Klaus once and for all when rumors spread about the remaining white oak bullet. As the threats 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. Meanwhile, Kol is forced to face his brother Finn, the person responsible for his death; and Klaus and Hayley seek shelter with her former pack and stumble upon some unsettling news.