what happen yesterday in vampire diaries??

u would have to watch it to understand it cause trust me this episode is worth watching and it leave u with a cliffhanger.
stefan betray damon and he told the history teacher that he'll help him kill damon. elena and stefan try to prevent damon from opening the tomb where katherine is but Damon figure it out and he zei that he'll kill elena if stefan din't give him the journal so he gave it to him. and Anna boyfriend kidnapped Bonnie. in the end Anna kidnap Elena too and that's where it end.