Your not the only one (Doctor Who)

Scarlett Phoenix hasn't has the best life. No friends, no family, abandoned and left to live with an alcoholic orphanage owner and abusive kids. She has waited too long for her knight in shining armour to save her and take her away. But who wants a knight when you can have a Doctor?
On one dark night, Scarlett meets a strange bow tie wearing man, and he turns her life upside down. Will he save her, or will Scarlett's life take a turn for the worse as she discovers more about herself then she could have ever imagined...