Title: Survival of the Fittest
Pairings: Nine/Rose/Jack, Nine/Rose
Summary: In a post-apocalyptic world where the undead have taken over, what will it take for Rose, Jack, and John Smith to survive? AU, with an appearance of characters from Torchwood as well.
Warnings: Violence, threesomes, explicit sexual activity
Disclaimer: I do not own these characters. Doctor Who and Torchwood belongs to BBC and RTD and I am not making money out of this story.