When someone from Hayley's past makes a startling revelation, she grows concerned for herself and the baby. Amidst growing tensions between them, Klaus and Elijah turn to Sabine for help in locating Hayley, who has gone missing. After making a trip down to the bayou, Klaus has a surprising and dangerous encounter with an unexpected visitor. Meanwhile, Davina makes a surprising connection, and Marcel makes Rebekah an enticing offer that leaves her torn.

In the war between Klaus and Marcel, Rebekah stands against her own brother Klaus. The chemistry between Elijah and Hayley gets stronger. Klaus accuses his siblings of distrust and betrayal.

Klaus tries to get adapted to his new duties as he became the king of the city. He offers Marcel a compromise and he fixes his relationship with his siblings. Davina feels betrayed by Marcel. She finally finds an allay, Cami.

In a series of flashbacks to 1919, Klaus opens up to Cami and reveals details of the devastating secret Rebekah and Marcel were trying to keep from him. Elijah forms an unlikely alliance with Monique and asks for her help in locating Sabine. Elsewhere, Thierry is reluctant to get involved when Marcel and Rebekah approach him with a plan to take down the witches. Meanwhile, in the bayou, Hayley is at her wits' end and holds Sabine hostage in an attempt to get information that will reverse the curse on Hayley's werewolf clan.

"Genevieve asks Elijah to allow her coven to publicly celebrate a traditional feast day, where members of the community offer the witches gifts in return for blessings. Monique and Genevieve disagree over what the ancestors want from them, and Genevieve reveals her plan to build the witches' power. When Elijah focuses his attention on restoring their home to its former glory, Klaus accuses him of doing it only to impress Hayley . Next, Klaus sets a new plan in motion by finding Cary , a werewolf from his own line, and sending him off to find a missing piece of family history. Marcel lets Thierry in on his new plan to rebuild his power, but Diego has his own ideas about the future. At the Feast of the Blessings, Monique and Genevieve try to use the ceremony to teach Davina a lesson, but Klaus intervenes and gives Davina a surprisingly important gift. While Hayley struggles to decide where her loyalties should lie, the ceremony explodes into violence."

Desperate to help Kieran, Camille insists on an unconventional treatment, but her good intentions lead Kieran to a violent episode. After Klaus and Elijah disagree over the best way to handle the Crescent Wolves, Elijah makes a trip to the bayou, where he is witness to a horrific explosion that only adds to the hatred and mistrust among the communities. While Jackson and Elijah work to save the wounded, Hayley learns a surprising piece of her family history from Marcel.