Klaus Mikaelson, the Original vampire/werewolf hybrid, returns to the magical melting pot that is the French Quarter of New Orleans - a town he helped build centuries ago.

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.

Betrayal at the masquerade ball? Klaus and Rebekah come together to attempt to unravel Marcel's empire from within, in spite of Elijah's concerns. They enlist help from Sophie.

Determined, Rebekah is on a mission to get to the bottom of a recent, strange encounter involving Elijah. Davina convinces Marcel to let her attend an annual street music festival.

Angered by recent events involving the safety of his unborn baby, Klaus demands answers from Sophie, believing she was involved. Sophie reveals to Klaus and Rebekah a troubling secret from her past. Meanwhile, Marcel asks Klaus to accompany him to the bayou after gruesome remains are discovered, while Rebekah, Sophie and Hayley set off on a mission of their own. Davina confides in an unexpected ally and reveals shocking information about the witches - ultimately leading to a disturbing revelation.

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.

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.

As the French Quarter prepares for its annual celebration of the Casket Girls Festival, Cami suffers through as Davina attempts to free her of Klaus' mind compulsion. Elijah and Marcel form an unlikely alliance as Klaus sets his plan in motion to get Davina back. Once it's known that Davina is missing, Sophie gets in on the hunt to track her down. Meanwhile, Hayley is forced to make a tough decision after receiving an unexpected phone call, and Rebekah sets her own plan in motion when she enlists the help of someone from Marcel's past.

When Davina becomes violently ill and the repercussions soon begin to affect the entire French Quarter, Marcel, Klaus, Elijah and Rebekah rush to find out what is going on. Sophie approaches the others with some startling information about the Harvest Festival and presents a drastic plan to save Davina. Elsewhere, Hayley is racked with guilt as she comes clean to Elijah about her role in Sophie's plan. Last, a sequence of unforeseen events sends shockwaves through the French Quarter.

Marcel, still angered refuses to help Klaus when a gruesome discovery is made. Rebekah is on alert when she uncovers the remnants of a sacrifice down by the docks realizing it's the work of a dangerous warlock from their past. when Elijah gets some information that Rebekah may be in trouble, he and Hayley set off to find her. Camille confronts Marcel, who opens up and shares some details of his past with her, but things quickly spiral out of control when an unexpected visitor shows up. Finally, a violent confrontation ensues when Klaus faces off against a powerful force with an unmatched advantage over him.

Father Kieran finds himself in a great deal of trouble. Someone Marcel and Rebekah once knew threatens to expose secrets they've kept buried for nearly a century.

Father Kieran finds himself in a great deal of trouble. Someone Marcel and Rebekah once knew threatens to expose secrets they've kept buried for nearly a century.

Angered by recent events involving the safety of his unborn baby, Klaus demands answers from Sophie, believing she was involved. Sophie reveals to Klaus and Rebekah a troubling secret from her past. Meanwhile, Marcel asks Klaus to accompany him to the bayou after gruesome remains are discovered, while Rebekah, Sophie and Hayley set off on a mission of their own. Davina confides in an unexpected ally and reveals shocking information about the witches - ultimately leading to a disturbing revelation.

Klaus Mikaelson, the Original vampire/werewolf hybrid, returns to the magical melting pot that is the French Quarter of New Orleans - a town he helped build centuries ago.

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.

Betrayal at the masquerade ball? Klaus and Rebekah come together to attempt to unravel Marcel's empire from within, in spite of Elijah's concerns. They enlist help from Sophie.

Determined, Rebekah is on a mission to get to the bottom of a recent, strange encounter involving Elijah. Davina convinces Marcel to let her attend an annual street music festival.

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.

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.