<p>Tanja Morgenstein, daughter of a wealthy industrialist and a geochemist, is dead from exposure to Titan's lethal, chilled atmosphere, and Guerline Scarfe must determine why.</p><p>This novella blends hard-SF extrapolation with elements of contemporary crime fiction, to envisage a future human society in a hostile environment, in which a young woman's worst enemies may be those around her.</p>