Can someone please tell m what happened?! i missed it but i saw the end. all I know is Elena is Adopted and Damon killed Alarick's wife. what else happened?!

Damon and Elena have a trip to Georgia, where he surprises an old flame, Bree and enlists her help to figure out how to open the tomb. In the process, Damon comes face to face with someone who is determined to make him pay for past wrongs.(Lexi's boyfriend) Stefan opens up to Grams in his effort to help Bonnie overcome her fears and accept her powers. While researching his history paper in the public library, Jeremy meets a cute-but-geeky girl named Anna who has her own theories on the folklore of Mystic Falls.(Vampires) When Damon returns from Georgia, Stefan is waiting with news that will change their world. about how he saved her in the crash and that she is adopted.

kinda just copied summary but added a few things.