Blessed with a gift... cursed with a secret. Everybody knows Cate Cahill and her sisters are eccentric. Too pretty, too reclusive, and far too educated for their own good. But the truth is even worse: they're witches. And if their secret is discovered by the priests of the Brotherhood, it would mean an asylum, a prison ship - or an early grave. Before her mother died, Cate promised to protect her sisters. But with only six months left to choose between...