On an alien planet, whose erratic orbit creates peculiar tidal effects – grumes – and
whose denizens live in terror of extreme cold, strange hazards lie just below the smiling surface.
In a world of ice-devils, grume-riders and the silky-furred Lorin,
humanoid beings make love and make war.
On the coast at Pallahaxi, young Drove pursues his passion for the girl Browneyes.
Around him war creates a state of siege and the deadly cold claims more and more victims,
as it inexorably overtakes the planet…