I Spy For You- 1D fanfic

Secret agent, Ela, embarks on a new adventure. Having witnessed the death of her best friend she must quickly pull herself together for the mission that will change her life. Famous British/Irish boyband are in danger of being killed by a world know mass murderer. It is Ela's job to protect them without them knowing they are in danger. Her rules are simple. Protect the boys and don't fall for them. Except she has an issue with the later part. Secrets and lies. All to protect the one she loves. But how will she cope??