After exhausting their resources in the slums of Los Angeles, a junkie and his wife settle in London's ''murder mile,'' the city's most violent and criminally corrupt section. Persevering past failed treatments, persistent temptation, urban ennui, and his wife's ruinous death wish, the nameless narrator fights to reclaim his life. In prose that could peel paint from a car, Tony O'Neill re-creates the painfully comic, often tragic days of a recovering heroin addict.