backstory

taustatarina The previous life and experiences of a character in a dramatic work.
{{quote-journal|date=January 16, 2004|author=Kelly Kleiman|title=Her Side of the Story|work=Chicago Reader|url=https://securesite.chireader.com/cgi-bin/Archive/abridged2.bat?path=2004/040116/OPHELIA
A fictitious account of a person's history designed to conceal their actual history and motives; a cover story.
A prequel.