Nicole is no ordinary girl. She's one of London's youngest and best spies working under MI-6, taking down terrorist groups with ease. Then her life takes a left turn when her boss gives her an assignment: to guard and protect Niall Horan from one of the most dangerous rogue groups in the world. When she meets Niall for the first time, she realizes that this job will push her to her limits, and she doesn't know if she'll succeed. Will she accomplish her mission or will she end up getting everyone that she cares about into huge trouble?