Protecting One Direction and.... Myself

Vivian Carter has special powers that she keeps secret but she is also a spy. Even though she is still in spy school she is one of the best. Her job is to protect one direction. She has to go undercover and even the boys dont know her really name. She cant let any one know her and most importantly she can not get attatched. But will this be hard for Vivian and will she be able to keep her secret safe or will some one figure it out