noun:a story that tells what led up to the main story or plot (as of a film)
Movie clips
Movie quotes
(..) Stick to the game plan, okay? She's a lawyer. I like that. He's sweating through his shirt, dude. I know. Listen, you remember your backstory? No? Oh, for God's sakes! What is that? I don't remember the backstory. All right, listen, man. You're a philanthropist. That's what you are, okay? (..)