Ep 5. The Killer

Stefan is still suffering from his amnesia and he and Klaus continue to work on finding the cure to vampirism. Meanwhile, Elena and Damon try to figure out who is behind the recent killings in town, while also dealing with their own complicated relationship. As they investigate, they start to uncover surprising secrets about the mysterious new hunter in town, Connor. Caroline and Tyler also find themselves in danger as Connor sets his sights on them. As the episode progresses, tensions rise and a dangerous showdown seems inevitable. Will the vampires be able to stop Connor before it's too late, or will they become his next victims? Find out in The Vampire Diaries season 4 episode 5, "The Killer."