Charlotte "Charlie" Eaton is Four/Tobias' younger sister. Charlie transfers to Dauntless to be with her brother and to get away from Marcus. She fits in, since only some people know she is related to Four. She soon makes lots of friends. Like Uriah Pedrad. But are Charlie and Uriah more than just "friends"? Uriah/OC

Gwen Votachelli was your average magician. She never did anything over the top. But when the Eye gets her to join a group with 4 other magicians, they become the Five Horsemen. They pull the biggest stunt and are now on the run from the FBI. During that, all of Gwen's feeling's change, especially about Jack. Jack/OC