Beatrice Scarlet is the apothecary's daughter. She can mix medicines to save lives – but she can't save the lives of her parents. An orphan at just sixteen, Beatrice marries and emigrates to America. New Hampshire, 1756: In the farming community where Beatrice now lives, pigs are found dead with slices of looking-glass embedded in their mouths. According to scripture this is the work of Satan, but Beatrice suspects the hands of men. She must act quickly to unmask the killer - or become the next victim herself...