Celebrated sleuth Hercule Poirot, now retired and living in self-imposed exile in Venice, reluctantly attends a Halloween séance at a decaying, haunted palazzo. When one of the guests is murdered, the detective is thrust into a sinister world of shadows and secrets.
In the late nineteenth century, brutal land baron Seamus Laurent slaughters a Roma clan, unleashing a curse on his family and village. In the days that follow, the townspeople are plagued by nightmares, Seamus’s son Edward goes missing, and a boy is found murdered. The locals suspect a wild animal, but visiting pathologist John McBride warns of a more sinister presence lurking in the woods.
