The great house of Cavendon Hall has stood on the Yorkshire moors for centuries. Two families, the aristocratic Inghams and the Swanns who serve them, have been bound by loyalty since the first stone was laid. But when war looms, sons, husbands and brothers are called up to fight; trials and tragedies strike the great house itself. The women of every generation and background must rise to meet the terrible threat posed by Hitler. The Cavendon Luck has held for a long time. Can it hold in the face of this greatest threat of all - and can it protect the next generation?