The Younger Sister

Alyssa Eaton and Beatrice Prior both are best friends that transfer from Abnegation to Dauntless. Follow them through their initiation in becoming Dauntless as Alyssa and her brother become the family they always wanted to be And Tris and Four become a couple. Follows the book with some twist.Takes place in Lyssa,Tris and Fours POV. Tris/Four,Uriah/OC Summary sucks.