Lord Colum of Sevenwaters is blessed with six sons: Liam, a natural leader; Diarmid, with his passion for adventure; twins Cormack and Conor, each with a different calling; rebellious Finbar, grown old before his time by his gift of the Sight; and the young, compassionate Padriac.

But it is Sorcha, the seventh child and only daughter, who alone is destined to defend her family and protect her land from the Britons and the clan known as Northwoods. For her father has been bewitched, and her brothers bound by a spell that only Sorcha can lift.

To reclaim the lives of her brothers, Sorcha leaves the only...