When a truth-seeking monster arrives in Mystic Falls during Commonwealth Day, Hope and Lizzie fear that the secrets they’ve each been keeping have made them targets. Meanwhile, MG, Kaleb and Kym seek out an unlikely ally, who may have knowledge on how to take down the latest monster. Finally, Freya receives an unexpected visit from one of the Salvatore Students.
Back and ready to wreak havoc, The Necromancer’s plan for revenge on Malivore takes a turn when he realizes he is now a human and powerless. To mend fences with Josie, Hope offers to help her learn more about the mora miserium. Elsewhere, Alaric enlists Landon’s help to find out if Sebastian is a threat to the school.
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.
After learning that Josie, Lizzie and Alaric are in trouble, Hope leads the charge to save them. Meanwhile, Landon seizes the chance to keep an eye on the latest monster in town in order to prove himself useful. Elsewhere, MG's attempt at a perfect first date with Kym takes a disastrous turn when Hope enlists his help in her plan.
The students prepare to put on a musical about the founding of the Salvatore School at the behest of their mysterious new guidance counsellor. Meanwhile, as Landon throws himself into writing the musical and Lizzie, Josie, Kaleb and Jed dive into their roles, Hope distances herself from the musical.
After a sudden mass exodus of the school's student body, Alaric and the squad desperately try to recruit new students to keep the school afloat. Hope agrees to help Lizzie with the new student orientation. Josie enjoys a fresh start on her first day at Mystic Falls High, while MG begins his semester of "no."
After the Salvatore School runs into some financial difficulties, Lizzie suggests they hold their first fundraiser. While Alaric attempts to work things out with the bank, he puts Kaleb in charge of overseeing the events at the school. Elsewhere, Cleo helps Hope cope with her emotions, while MG seeks help from Alyssa. Finally, when a leprechaun shows up at the school, it might just be what they need to turn their luck around.
Hope is tracked down by the one person who could help her Rebekah Mikaelson. Rebekah is fearful of what path Hope has chosen but makes every effort to get through to her. Josie and Lizzie hold out hope in a seemingly dire situation as MG figures out what he can do to help. Meanwhile, Kaleb wants to set things right and turns to Cleo for guidance.
Hope and Lizzie find themselves at a carnival with an unusual cast of characters. Back at the Salvatore School, students are speaking their minds, without knowing why, which makes Jed reveal a secret and Cleo works on protecting one of their own. Meanwhile, Kaleb and MG set out on a mission, which does not go as planned.
Hope continues to be swirled in confusion and fighting her humanity, which results in her seeing the people who mean the most to her: Rebekah, Marcel, Kol, and Freya. Kaleb wants to introduce Cleo to his world, including those who had the most profound influence on his path. Meanwhile, Lizzy devises a plan to get in someone's good graces.
Hope continues her fight and Lizzie devises a plan to potentially help. Cleo is fearful of her visions and what it means for those she loves. Alaric sends Kaleb, Ethan and MG on a high-stakes mission. Jed finds himself needing to make a very difficult choice. Meanwhile, Landon makes a surprising discovery.