In late seventeenth-century England, young John Ridd returns home to Exmoor and forms a forbidden but enduring friendship with Lorna Doone, the granddaughter of the head of the outlaw Doone clan responsible for the death of John's father.
What follows is an unravelling of all that is sacred to the family, as the pious Kaukab tries desperately to square the traditional justice of her culture with the more personal consequences of their murder.