Susanna, Lady Appleton, learns that her dead husband's former mistress, Constance Crane, will be tried as a witch for causing the death of a man. Susanna suspects the victim was poisoned, and aided by her suitor, Nick Baldwin, and her servant Jennet, she uncovers a plot involving a forgotten will and the canceled vow of a nun. Historical mystery by Kathy Lynn Emerson; originally published by St. Martins and Kensington