Halleys Comet night at Winterscombe in 1910 ends with a violent death which throws a giant shadow over three generations of the Cavendish dynasty. At the centre of events is the beautiful & dangerous Constance who casts a spell
- which may be a curse
- on all the sons of the family. Following the destruction of two World Wars
- & the passions deceits & hatreds of the intervening peace
- it is the coruscating power of Constances personality & the sinister secret at the heart of her life which will determine if Victoria last of the Cavendishes is to inherit happiness or misery.