<P> Elena, still empty after losing her parents, begins to fit back into school . She meets a mysterious new student named Stefan Salvatore . They connect instantly, and begin dating . She meets his older and malevolent brother, Damon . After researching, Elena realizes Stefan was alive in 1953 . It is later revealed that he is a 162 - year - old vampire . Damon also begins falling for Elena . After she and Stefan slept together, Elena finds a picture of a woman named Katherine Pierce who looks exactly like her . Stefan reveals that it is the woman who made him and Damon feud 145 years ago, and the person who turned them into vampires . He also told her that he is the person that saved her the night of her parents death . At the end of season one, Elena discovers that Grayson and Miranda weren't her biological parents, and that a woman named Isobel and her uncle John, who she grew up hating, were . </P> <P> In season two, she learns that she is a Petrova doppelgänger, having an appearance just like Katherine Pierce, which means that she has to be sacrificed to release Klaus' werewolf side . The sacrifice later happens, but Elena is saved, because John sacrificed himself for her after being put under a spell by Bonnie . However, her aunt Jenna is turned into a vampire and, as part of the sacrifice, is killed by Klaus, leaving Elena without a guardian . In the season two finale, while Damon is dying due to a werewolf bite, she forgives him for forcing her to drink his blood and kisses him with the thought that it might be Damon's last day, however Damon gets cured by drinking Klaus' blood . </P> <P> In season three, Elena does everything in her power to make Stefan get his humanity back, which was turned off by Klaus as payment for saving Damon from a werewolf bite in the latter part of season two . Meanwhile, she grows closer to Damon while working together on saving Stefan and trying to defeat Klaus, eventually even sharing a kiss . She later admits to Stefan that she has feelings for Damon as well but that she never stopped loving Stefan . While in Denver together, Elena kisses Damon, later telling him that she doesn't know how she feels about him . It is eventually revealed that Elena met Damon the night of her parent's death, though he compelled her to forget . She eventually chooses Stefan in the season finale but before she can tell him, Elena drowns while having vampire blood in her system . During the last moments of season three, she awakens as a vampire in transition . </P> <P> In season four, Elena is faced with the tough decision of whether to die or to feed on human blood so she can fully transition into a vampire . Elena, after realizing Stefan's desperation to keep her alive, decides to complete her transition . Her relationship with Stefan ends, allowing her to begin a proper romance with Damon . Although, it is later revealed there is a sire bond between them . Sometime later whilst searching for the cure for vampirism, Jeremy is fed to the immortal Silas by Katherine . As a result, Damon used the sire bond to convince her to turn off her humanity, due to her incredible grief over losing her brother and the last remaining member of her family . Elena became ruthless without her emotions, going on killing sprees and being very hateful towards her friends . Towards the end of season four, Damon kills Matt in front of Elena to trigger her grief . After revealing that Matt had the Gilbert Ring on, Elena's humanity was switched on and her emotions were focused on hate towards Katherine for killing Jeremy . Season four ended with Bonnie as a ghost after bringing Jeremy back to life and Elena fed Katherine the cure for vampirism in a moment of desperation as she was about to be killed . Elena had chosen Damon as the Salvatore that she loved . </P>

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