Elena overcame countless difficulties - she escaped from the Dark Dimension, defeated ghosts and found out that she was a Guardian, designed to protect the balance between good and evil. But it turned out to be much more difficult for her to choose who would become the love of her life: Stefan or Damon Salvatore. Elena was reunited with Stefan, and Damon, stung by her refusal, turned his gaze towards evil. And now Elena is torn between trying to save Damon's soul and trying to be sincere with Stefan.

And while Elena decides who her heart belongs to, the Dalcrest College campus is taken over by vampires obsessed with the idea of resurrecting Klaus, the Ancient vampire who... will stop at nothing to destroy Elena and those around her.

As Elena learns more about the duties of the Guardians, she realizes that in order to defeat Klaus, she must sacrifice someone close to her. Now she has to decide what or who she can give up in order to achieve her goal...