Sarah Gilbert was Elena's identical twin sister until Tyler accidentally pushed her down the stairs,making her go to coma.When Damon & Stefan arrived to Mystic Falls,they didnt know Elena have a sister cause she doesnt talk about her cause it hurts,but what will happen when Sarah suddenly wakes up from her coma?How will everyone react?Will she become the love interest for Damon?Or will Stefan develops feelings towards her? (Set in after season 1 episode 9) TRAILER https://www.youtube.com/watch?v=etcBs4-A4Bo&feature=youtu.be