Resuscitated by Elena, who even hands him the dagger as proof of alliance, Elijah explain to her how his Bulgarian family became the first, still most powerful vampires, but witches prevented them becoming invulnerable. He loved Nicolaus 'Klaus', being his brother, but has to turn against him in the end. They ingeniously staged the moon curse in order to get vampires and werewolves to help look for a cure for Klaus's real curse, doubly monstrous genes. Alari-Klaus toys further with Katherina and instruct Maddocks to fetch a new body so he can leave Rick's. Stefano ...
JKlaus completes his preparations to break the moon curse but luring Tyler home to visit his mother after a non-accidental fall. The Salvatore brothers bicker worse then ever over how to protect Elena, who wants to take risks by doing things Elijah's way, which will kill her but relies on an ancient resuscitation elixir. Stefano takes her away on a 'last day' excursion. Matt finds helping the sheriff with Caroline about unbearable. Alaric's secret is finally discovered by Jenna, who takes it well but runs into tragic trouble. Klaus refuses to wait until the next full ...
Damon sees the bite on his arm with the growing wound. Meanwhile Matt shoots Tyler and then he tells to Caroline that neither her mother nor he is compelled and they know that she is a vampire. Jenna finds that she is a vampire; Greta completes her transformation and Klaus brings Jules and kills her. Damon tells Stefan that Klaus transformed Jenna into a vampire and John returns and meets Damon. Jeremy and Bonnie study the journals and the grimoire to see if they can save Elena. Stefan offers himself as the substitute for Jenna. Caroline brings Tyler home and Matt ...
Damon asks Elena to forgive him for biting her but she does not accept his apologies. Soon Damon is raving and he has daydreams with his life with Katherine in the past and Elena in the present. Stefan tells Elena Damon's condition and she decides to seek him out. Stefan meets Bonnie and discovers that Klaus might save his brother and he looks for Klaus. Meanwhile Jeremy finds Damon and brings him to the Grill; however Sheriff Forbes shoots Damon but hits Jeremy instead and he dies. Alaric brings Jeremy's body and Bonnie tries to resurrect him using her witch powers, ...
Damon is secretly tracking down Stefan's murders and covering his slaughtering in Tennessee with Alaric. On the day of Elena's birthday, Caroline plans a party for her at Damon's house. Meanwhile, Klaus and Stefan are chasing Ray Sutton, who is a werewolf, to know the place where his pack gathers. Jeremy continues to see Anna and Vicky and he tells Matt what is happening to him. During the party, Stefan gives a bloody message to Damon to stop following him and Carolina and Tyler spend the night together. Damon is shaken with Stefan's attitude and decides to forget him.
Tyler finds his mother verbena-poisoned his beloved Caroline, realizes she ignores his cursed paternal heritage and shows her, chaining himself down at fall moon for transformation. Assisted by will-less Stefano, Klaus forces torture-wounded Ray to betray his werewolf pack so he can bite them to create a hybrid army, but it fails, the spell having been crossed by Elena's secret resuscitation. Damon reluctantly follows Alaric and Elena, who recruited him to search for Stefano, wisely acting as backup. Jeremy, who is haunted by Vicky, gets initially reluctant Matt to ...
Klaus takes Stefano to Chicago, where he wants to resuscitate his sister Rebekah, who might hold the key to breaking the curse. Gradually, Stefano is reminded of his Prohibition period affair with her her while still bloodthirsty himself, and its tragic end. Tyler is rightly worried, turning for an ally to her mother sheriff Forbes, about the whereabouts of Caroline, whose bully father Bill actually holds her in a dungeon for 'vampire aversion therapy' of the most flagrant kind. Katherine puts Damon on feared Klaus's trail, so he can mount a rescue with Elena after ...
On Klaus's orders, original witch Gloria uses spells and torture to dig into helpless Stefano's memory and discover that the hybrid spell failed because the double lives. Alaric claims a 'regular human' seat in the town council, arguing it needs countering a vampire and a werewolf family member. Tyler and the sheriff help Caroline deal with her dangerously hostile bully father Bill. Damon is pushed too far. Jeremy and Bonnie face supernatural manifestations. He decides against allowing desperately lonely ghost Anna to contact him.
The homecoming dance becomes the backdrop for a battle of lethal wits between Damon's party, including Mikael and Rebeka although not at all reconciled, and Klaus's, which fields the hybrids by diverting the party to the Lockwood mansion. Tyler surprises Caroline by stating he doesn't really mind being under Klaus's spell as hybrid, it's not worse then monthly lunatic agony as pure werewolf. Fearing even with the eternal oak stake in Mikael's hand Klaus may outsmart them, Damon secretly enlisted Katherine, but Klaus prepared the most stunning surprise.
At the Mystic Falls High School, the seniors prepare pranks for the freshmen as per the tradition. Out of the blue, Klaus and Rebekah show up where Elena, Caroline, Bonnie, Tyler and Matt are and Klaus forces Tyler to feed with his blood and then he kills him. Bonnie and Matt run to find Jeremy to contact a witch from the beyond to learn how she can save Tyler before he dies. Stefan arrives in the spot and Klaus compels him, removing his humanity and asking him to look after Elena, killing her if she tries to escape. Meanwhile, Katherine shows Damon that she has ...