After a series of strange encounters, Rebekah becomes intrigued by a mysterious girl who has recently arrived to the insane asylum. At the bayou, Hayley struggles with coming clean to Jackson about the secrets she's keeping and is surprised when he shares his own secret involving Hayley's parents. Meanwhile, after learning the details of a particular marriage ritual that Hayley and Jackson must complete, Klaus heads to the bayou to put an end to it, but not before running into Jackson's grandmother Mary. Elsewhere, Vincent remains determined to uncover the secret he knows Klaus is hiding and sets his eyes on Marcel for answers. Lastly, when Davina discovers that Josh and Marcel are in danger, she enlists the help of Kaleb and Aiden to rescue them.