Through the complex interaction of three dynamic characters, Follett focuses in Eye of the Needle upon the hazards of social isolation. David and Lucy Rose along with Henry Faber are all portrayed by Follett as victims of their own isolation.
By quickly withdrawing to Storm Island at the beginning of World War II, David Rose misses the deterioration in human values brought about by the worldwide conflict. David seems to envision an enemy who is honorable, much like himself, a British gentleman.
He is mistaken, however, and his dying words shed light on his confused state of mind: "It's not fair," he shouts to Faber as he falls to his death. But as Faber shouts after him: "Not fair?
Don't you know there's a war going on?" As his last words indicate, David is inadequately aware of the moral toll of the distant war due to his secluded life...