The current hunter, Connor, is held captive by Klaus. Klaus is obsessed with keeping him alive because Connor is the only one who can grow the tattoo to reveal the map. Character Developments
Damon takes Elena and Bonnie to Whitmore College . Under the guise of a costume party, Damon teaches Elena how to feed on humans without killing them, emphasizing "snatch, eat, erase". [S4E4] The Five
Through flashbacks to 1110 AD , Klaus reveals the history of the Brotherhood of the Five. They were five warriors blessed by a witch with supernatural strength and a "Hunter’s Mark"—a tattoo that only other potential hunters can see. The current hunter, Connor, is held captive by Klaus
Rebekah reveals to Stefan that the Hunter’s Mark is actually a map . When the tattoo is completed (by the hunter killing vampires), it leads to a legendary "cure" for vampirism. Under the guise of a costume party, Damon
She struggles with the morality of being a vampire. While she enjoys the "high" of feeding with Damon at the party, she later feels deep guilt, furthering the divide between her and Stefan.