The first book in the series, Emma Winberry and the evil Eye, follows Emma as she becomes a supernumerary in the opera and meets Nate Sandler who becomes her significant other. In the second book, The Accidental Sleuth, they are living in a posh condo on Chicago's Lakeshore Drive. A troubled teen likes next door with her abusive uncle. Emma steps in and helps the girl, but puts her life at risk. In the third book, The Stranger in the Opera House, a man is roaming around the opera house but not everyone can see him. Emma and a few others can. Again, she puts her life at risk to help this stranger.