Hope becomes more determined than ever to find her way back to Mystic Falls. Alaric continues looking into the mysterious night Malivore was destroyed. As the students leave for summer vacation, Landon stays behind to keep an eye on Rafael.

As the Salvatore School prepares for its upcoming ‘80s-themed decade dance, Hope and Lizzie find themselves trapped inside a never-ending labyrinth with a monster on their trail.

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.

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.