When Klaus discovers that Elijah has been afflicted by Esther's magic, he heads to the bayou in search of an antidote, but quickly realizes he's not alone. Armed with intel gathered by Aiden, Hayley teams up with him, Marcel, Cami and Josh and launches a plan to take down Vincent by exploiting his one weakness. Meanwhile, with Esther determined to carry out her plan, Vincent and Kaleb are forced to reconsider their own strategies. Intrigued by Davina's unwavering attempts to create an unlinking spell, Kaleb lets her in on some secrets from his past and brings her to a place he frequented in 1914.

When Rebekah notices an unusual change in Elijah's behavior, she asks Klaus and Hayley to meet her at their safe house, reuniting them with baby Hope. After reliving memories of being the odd man out, Kaleb opens up to Davina about his resentment towards his siblings and sheds some light on a spell he created in 1914. Meanwhile, when Cami discovers Esther's plan will put her life in danger, she demands answers from Vincent, who remains steadfast in his convictions. Elsewhere, Esther makes an unlikely alliance that could prove dangerous for Klaus, and Hayley makes a decision that could change her relationship with Elijah forever. Lastly, while Elijah continues to struggle with the lingering effects of being captured, Rebekah and Klaus devise a plan to take their mother down once and for all.