Doctor Who fan fiction.
The Seventh Doctor and Ace arrive on a world in the throes of revolution. As the Doctor slips away to see what's happening, Ace nurses a young boy through the pains of severe withdrawal, a process that reminds her of the drug-related death of one of her friends from Perivale, just before she left Earth.
Intended as one of the intermissions in Carroll's ultimately unpublished New Adventure novel Imperfect Copy, the story ends abruptly and is more stream of consciousness than a discrete narrative.