Complete story — includes the ending
On the night of the Homecoming dance, Rebekah opens up to Elena about why the evening is so important to her, leaving Elena with conflicting emotions, Elena then stakes Rebekah leaving her unable to attend the Homecoming dance, Meanwhile, Damon and Elena team up with Mikael to come up with a plan to kill Klaus. They leave Stefan behind, afraid of him betraying them. Tyler warns Caroline that Klaus is prepared for whatever they plan to do, but vervains her to keep her out of it. Damon and Tyler fight, but Bonnie keeps them from killing each other. Mikael tries to lure Klaus out of the house by threatening and then killing Elena, revealed in the end to be Katherine. Damon reveals he has the White Oak stake and tries to stake Klaus. However Klaus is saved by Stefan as he pushes Damon out of the way. Klaus then stakes Mikeal leaving him to burn to death, revealing Stefan has now earned his freedom from compulsion. Tyler tells Caroline it is better being sired to Klaus because he does not have to turn any more. Stefan is revealed to be working with Katherine. Katherine had woken Stefan in order to save Damon from Klaus' hybrids, who were ordered to kill him in case of his death. Stefan managed to care enough to save him, thanks to Katherine convincing him. Stefan is finally able to trap Klaus in a conflicting position by taking his daggered family from him.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, The Vampire Diaries season 3. HTML formatting and reference markers removed. · Content license