Petrova Sister (The Vampire Diaries-Klaus/Elijah lovestory)

Alexandra Petrova who goes by the modern name,Alexis Peirce is the older twin sister of Katerina Petrova,also known as Katherine Peirce.Being the older sister of Katherine Peirce means she a lot more than Katherine.Killing Klaus Mikaelson has been her goal since the day she fled from England.Presently,she recieves a call from Elijah,telling her to go to Mystic Falls.So,she goes back to Mystic Falls only to find out that the moonstone is with the Salvatores and Elijah missing.Being the famous Alexandra Petrova she is,she finds a way to kill klaus without the help of Elijah and also searching for Elijah in the process.But what she doesn't know is Elijah had been lying to her all these years/centuries.