A deathbed plea leads London investigator Maisie Dobbs to return to the site of her most painful memories from the Great War. As she learns, the mystery surrounding the death of Agnes Lawton's pilot son led her not only to the edge of madness but to the doors of those who practice the dark arts and commune with the spirit world. In resolving the dangerous case, Maisie's own spiritual strength is now tested, as is her regard for her mentor, Maurice Blanche.
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