Elena invites Stefan and Bonnie to dinner, hoping that the two will bond, but the evening is disrupted by the unexpected and unwelcome arrival of Damon and Caroline.
Bonnie's abilities surprise Damon. Elena asks Jeremy not to see Vicki. Matt takes Vicki to the high school Halloween dance, but the night takes a terrifying turn.
At a fraternity costume party, Damon gives Elena a lesson in choosing a victim. Klaus reveals an encounter with a group of vampire hunters - flashing back to 12th century Italy.