Rebekah arrives in New Orleans at her brother Elijah's insistence, but, concerned that Klaus is up to no good, she seeks help from a reluctant Sophie. Marcel enlists Davina's help.

When Klaus discovers Hayley's life is being threatened, he goes to extreme lengths to protect her and their unborn baby. Cami turns to Father Kieran for guidance when she is having a difficult time dealing with the tragic events of her past. Feeling as though he can trust no one, Marcel visits an old friend to seek out some advice, while Davina takes steps to learn how to control her magic. Finally, Klaus delivers some surprising news to Father Kieran.

Hayley confronts a surprising enemy as she and her unborn baby fall into peril during a celebratory wake to honor a fallen member of the community. In order to save Hayley, Klaus and Elijah enlist the help of Genevieve who struggles to maintain control over Davina and the other young witches. Camille tells Marcel that Francesca is determined to find a mysterious key that may unlock a family secret. Meanwhile, as Klaus suffers from nightmares of his father Mikael, he is forced to examine his troubled relationship with his own adoptive son, Marcel.

Davina's secret is exposed; Elijah makes a suggestion to Klaus; Esther moves on with her plan; Hayley meets with her pack. (#24)

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. Hayley also appears.

The Mikaelsons find themselves out of options as they face the all-powerful and un-killable entity known as The Hollow. With the life of Hope at stake, Vincent proposes a final, desperate plan.