The Doppelgangers of Talia and Annabethia Petrova and the Mates of two originals

Layla and her twin Alissa Gilbert are back in Mystic falls with their mother Jenna yes i know what your thinking oh no another Gilbert well Layla and Alissa are nothing like Elena or Jeremy when they find out their Aunt and Uncle got into the accident they don't lock their-selves away in their diaries like Elena and they don't get high like Jeremy Layla is the trouble maker and Alissa is just plain ordinary but Layla goes clubbing and gets drunk because of the accident and Alissa well she becomes like mother hen and becoming so...clingy what happens when they find out they have mates to two of the most Dangerous species in the world? what if their mates are Kol and Elijah but then again Layla has a secret admirer who happens to be Klaus