Viewers interested in modern cinema often explore Fly on the Wall because of its cast, story direction, and audience popularity.
A casting assistant experiences the process of what appears to be the callback for a porno movie. While the director gives notes to the actress who's auditioning, our heroin does exactly what her job requires form her: reading lines, following orders, taking notes and being invisible. Through her eyes we will experience what really happens, behind closed doors, in a casting room in Mexico City.