Out Of Sight- harry styles fanfic

Tatum's not your typical girl. You know, the ones that go shopping, and work at the local Starbucks. No, Tatum's a agent for the MI5.
After a hard past, she dedicates her life for her job. But after meeting Harry, she's putting her life at risk for him. Will she be able to keep his life, while still keeping hers? Or is she going to have to sacrifice for the boy she's fallen madly in love with?