“What Rose brings to the Doctor’s life is completion. It’s completing a circle - he’s male, he’s an alien, he’s a traveler. Between the two of them together they complement and discover each other. And are in love with each other. Absolutely, unashamedly, unreservedly.” — Russell T. Davies
Completed. Words: 207770. Rating: Explicit. Relationships: Ninth Doctor/Rose Tyler, Tenth Doctor/Rose Tyler, Tenth Doctor & Mickey Smith
After GitF, the TARDIS brings the Doctor, Rose and Mickey back to Earth to solve an emergency involving the TARDIS herself. But when they see a familiar face, the face of someone who should not exist, they realize the crisis is much deeper than they thought and is one that could endanger the Doctor's very existence.