I needed to have characters that you believed in, that you could maybe identify with, and that you were rooting for, you know? When Mackenzie goes to a single's mixer, she meets the person who could be the man of her dreams: Carson Franco Lo Presti.
Despite Spare Parts being a splatter-fest, grindhouse kind of film at its heart, there is actually a lot of character development in there; all the dynamics between each other as a band, as a couple as siblings.