Sage was once an orphan that was found on the streets by Rose Tyler and her mother. A few Years later, she grows up to be Rose Tyler's little sister and she lives an ordinary human life. However, when her and her sister meets the Doctor, memories that she has locked away will resurface. Who exactly is Sage Tyler? DISCLAIMER: I DO NOT OWN ANY OF THE CHARACTERS FROM DOCTOR WHO! THE ONLY CHARACTER I OWN IS SAGE TYLER BUT NOTHING ELSE!