A film is being made in River Heightsand theres sabotage on the setin this tenth book of the Nancy Drew Diaries, a fresh approach to a classic mystery series.Nancys old friendand former paralegal to Carson Drew Alex Burgess is making a movieand its filming in River Heights! On the first day of shooting, Alex invites Nancy, Bess, and George on set for a behind-the-scenes peek at how a movie is made. George is excited for a closer look at the cameras and special effects, and Bess is mostly around to get a glimpse of the films leading man: handsome actor Brian Newsome! But right before the camera starts rolling theres an explosion in the catering area. Turns out someone put firecrackers in the coffeemaker. Not too long after that, Brians costume is found streaked with blood. And threatening notes show up scrawled on the scripts: SHUT IT DOWN OR YOULL BE SORRY. Can Nancy track down the set saboteur before the films dangerous final scene? Or will the entire production go up in flames first?