Ichabod, Abbie, Capt. Irving and Jenny Mills unite against the Headless Horseman; information about the Horseman's motive shocks Ichabod.
Elena struggles to cope with Damon's death as she returns to Whitmore College for her sophomore year. Luke gives her drugs in order to see Damon, but she soon develops side effects that make her violent.
Elena plans to introduce Caroline to Liam; Liv makes a confession to Tyler; Bonnie and Damon find clues that make them think they might not be alone.
Special Agent Pride and the team uncover a domestic drug ring, led by Sonja's childhood friend, Marion Watkins, that is producing cocaine.