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.

Cast: Joseph Morgan, Daniel Gillies, Phoebe Tonkin, Charles Michael Davis, Yusuf Gatewood, Riley Voelkel, Danielle Rose Russell, Steven Krueger, Jaime Murray, Torrance Coombs, Christina Marie Moses, Shiva Kalaiselvan, Perla Middleton, Alexis Louder, Benjamin Weaver