After discovering that he's been betrayed by his own siblings, Klaus teams up with an unlikely ally and sets off on a warpath, hell bent on revenge. Amidst the news that Klaus is on the loose, Elijah, Rebekah and Freya move forward with their plan to lure Dahlia to the compound and take her down once and for all. Meanwhile, Hayley and Jackson attempt to escape through the flooded bayou, even as Marcel finds himself hunted by a dangerous new threat. Finally, Davina is presented with an offer that could allow her the chance to bring back Kol, though it will require her to make a life-altering decision.