When Dr Alice Tanner, who works as a volunteer at the archaeological site of Pic de Soularac in France, discovers two skeletons in a long-hidden cave in the hillside, she unearths a link with an horrific and brutal past. But it's not just the sight of the shattered bones that makes her uneasy; there's an overwhelming sense of evil in the tomb that Alice finds hard to shake off, even in the bright French sunshine. Puzzled by the words carved inside the chamber, Alice has an uneasy feeling that she has disturbed something which was meant to remain hidden...

Eight hundred years ago, on the night before a brutal civil war ripped apart Languedoc, three books were entrusted to Alais, a young herbalist and healer. Although she cannot understand the symbols and diagrams the books contain, Alais knows her destiny lies in protecting their secret, at all costs.

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