A sleuthing librarian and her friends spend Halloween at a generations-old estate where they discover murder runs in the family . . . Prunella Pearce, Bree, and the other ladies of the Winterbottom Women's Institute are planning to spend Halloween at the Montgomery Hall Hotel murder-mystery weekend-just as the historical venue's past comes back to haunt it. The hotel is now in the incapable hands of Tarragon Montgomery, with its faltering finances overseen by elderly matriarch Cecily. Meanwhile, the local actress hired to play Psychic Selma for the weekend has been replaced by an impostor. But who is she, and what is her agenda? Pru and Bree have some experience solving mysteries, but as Montgomery Hall is engulfed by a storm and the bodies start piling up, they may need a little assistance from Pru''s delectable detective, Andy Barnes, in order to crack the case . . .