As the witches of the Salvatore School come together to celebrate Coven Day, the latest monster to infiltrate the school targets Alyssa Chang and the other students by spreading discord and creating chaos among the covens. Elsewhere, Alaric, Lizzie and Josie search for a solution that keeps Josie protected from the dark magic brewing inside the mora miserium. Fed up with feeling powerless alongside Hope, Landon asks her to give him self- defense training. Finally, Alaric's past comes back to haunt him.