This is a mash up of the vampire diaries and twilight .
What happens when Katherine's long lost sister from the Reniassance returns to Mystic Falls ? But there's a catch . She lost her memory last time she was there back in 1864 . What happens when she meets the Salvatores again ? Will they remember her ? Will she be able to control her thirst ? Will Kaus and Elijah find her ? Will she ever get her memory back ? What is her connection to the deep and brooding Stefan ?