Save me or Mr.X

Usually city. Usually school. But.. there are not usually people. One way is Amilia Braun. Girl, who never listen to anybody. Another way is Niall Horan. Boy, who called king of school. And everything will be able to leave this, but strange Mr.X'll come to there life. And then all of them learn that some people want to kill Amilia... Will they become friend, or maybe something more?.. Who's know...