Every story is “The Caterpillar and the Butterfly".
We start with a caterpillar living among the tall branches, eating green leaves, waxing “Hi!” to his caterpillar pals, little knowing that his is a profound deficiency. And then one day, an odd feeling comes over him that’s so scary, it’s like a freefall. Something strange is happening. And that something...is death. That’s what the cocoon stage is. As caterpillar becomes chrysalis, he dies. He, and everything he knows, is no more. Can you imagine? But when it seems like this purgatory will never end, when things look blackest, there’s another stirring: our hero sees light, and now he breaks through a weak spot in his prison, to sunlight and freedom. And what emerges is something he never dreamed of when this all began, something...amazing!
That’s every story.
-- Blake Snyder, Save the Cat! Strikes Back, 2009