The rest is a documentary that observes present-day actors (including Franco's friend Val Lauren in the Pacino role) as they rehearse and shoot the re-imagined scenes.
Although Franco identifies as straight, he's told many gay-themed stories as an actor, fiction writer and filmmaker.
Hearing an actor enamored by girls and guys the world over talk frankly about sex, gay sex, and bondage was, honestly, completely refreshing.
But the project isn't quite what it purports to be.
Even if all the actions captured by the filmmakers were truly spontaneous, you'd still question how "spontaneous" they were, because almost everyone onscreen is a professional actor. Maybe not as much as we're led to think; the more you watch "Interior.