More dangerous than ever, Vincent remains one step ahead after joining forces with a powerful figure from his past. As the threat to Hope's life grows stronger, Klaus realizes he has no choice but to place his trust in his siblings to ensure she remains protected. Meanwhile, after being presented with an enticing proposition, Kaleb is forced to make a difficult life or death decision, and Elijah finds himself in the fight of his life after an unexpected visitor arrives at the safe house. At the bayou, Hayley and Jackson continue to prepare for the unification ritual, but things quickly go awry when they become pawns in Vincent's dangerous plan.