2 people 2 different sides two different reasons where ever the hell there gonna go

When 28 year old witch Cara Mitchell comes shows up in Mystic Falls her presence is not going unnoticed. Alaric is her ex from a long time ago. Damon swoops in, but so is Elijah. Turns out that she is stronger then any witch in the history that she mortal enemies with The Original witch, Elijah's mother. Would it all turn into a war between witches, vampires and Originals. What if Klaus finds her, would he use her as personal weapon against The Original Witch...