A mysterious clue sent to Klaus leads him one step closer to finding Hayley. Antoinette opens up to Elijah after her past comes back to haunt her. Meanwhile, Marcel makes a decision that puts him at odds with Klaus. Finally, Hope takes matters into her own hands to fix the mess that she's created.

Ivy reveals some startling news to Klaus about the dark magic that's been keeping him away from his family. Elijah turns to some unexpected allies to save Antoinette's life.