1. Whedon had always loved the seemingly separate ideas of sci-fi and westerns, and through The Killer Angels, he saw a way to combine them. "I wanted to play with that classic notion of the frontier," he said. "Not the people who made history, but the people history stepped on—the people for whom every act is the creation of civilization." And Whedon decided to set the frontier on a spaceship: a ship named Serenity.