In the province of Mato Grosso, a jungle ""stewpot"" in Brazil where an oil company has been drilling, 65 men go berserk and seven are killed. A later court inquiry attempts to establish what has happened. Harry Somers, the camp boss, has reluctantly given in to the request of his subordinate and permitted the importation of three native sisters as ""entertainers"". Believed to be prostitutes, they turn out to be indignant as well as inviolate, and the men, after their long weeks of deprivation and denial, go amok in a mass assault. As a novel, this is no more than an overextended episode with a certain moral upsweep which makes it more edifying than it might have been otherwise. Otherwise? Sex reduced to naked need and raw appetite is a self-limiting theme although it is handled with an appropriate lunt masculinity.