Henry VI is a child king, only 9 years old, crowned before his first birthday after the death of his father Henry V on campaign. England is in the midst of the Hundred Years' War in France however life in England is peaceful for most. Sensing an opportunity to overthrow the weakend House of Lancaster, the House of York led by Richard, Duke of York claim a stronger link to the throne. This rivalry brings about a series of devestating battles which would come to be known as The Wars of The Roses and would turn neighbour against neighbour, cousin against cousin.
Descended from Melusina, the river goddess, Jacquetta has always had the gift of second sight. As a child visiting her uncle, she meets his prisoner, Joan of Arc, and sees her own power reflected in the young woman accused of witchcraft, before Joan is taken to a horrific death at the hands of the English rulers of France.

Married to the Duke of Bedford, English Regent of France, Jacquetta is introduced by him to a mysterious world of learning and alchemy. Her only friend in the great household is the Duke’s squire, Richard Woodville, who is at her side when the Duke’s death leaves her a wealthy young widow. The two become lovers and marry in secret, returning to England to serve at the court of the young King Henry VI, where Jacquetta becomes a close and loyal friend to his new queen.
The Woodvilles soon achieve a place at the very heart of the Lancaster court, though Jacquetta can sense the growing threat from the people of England and the danger of royal rivals. Not even their courage and loyalty can keep the House of Lancaster on the throne. King Henry VI slides into a mysterious sleep; Margaret, his queen, turns to untrustworthy favorites for help; and Richard, Duke of York, threatens to overturn the whole kingdom for his rival dynasty of the House of York.

Jacquetta fights for her king, her queen, and for her daughter Elizabeth Woodville, a young woman for whom Jacquetta can sense an extraordinary and unexpected future: a change of fortune, the throne of England, and the white rose of York. A sweeping, powerful story rich in passion and legend and drawing on years of research, The Lady of the Rivers tells the story of the real-life mother to the White Queen.