Plot: The final season of "The Vampire Diaries" begins a few months after it left off, with Damon and Enzo on an epic killing spree after being kidnapped and enslaved by the Siren Sybil. During the search to find them, Stefan, Bonnie, Caroline, and Alaric discover that the mysterious force they are up against may be more powerful than they thought and they must go to great lengths to keep the people they love safe