How it feels in that way

Emma Anderson awakens after being in a coma for ten years because she was hit by a car. But everything has changed.
Everything is different and her friends are now different that even... her family too.
They're not the same as before but worse, her boyfriend is getting married to an abusive drunken older woman while her sister, Jane is trying to kill her and hunt her for what she did those ten years back but the only person that trust's her younger sister, Gale and friend, Alex. How will Emma escape from the Dark Alleyway...? How will she save Jane from the darkness...?