This Band of Spirits — Noel Vreeland Carter

Enid Tregaron, a lovely young lady whose entry into marriage became an initiation into the most hellish, unthinkable knowledge… Ambrose De'Ath, her elegant husband, whose twisted desires could not be ignored or escaped… Jeremy Burkers, coarse, cunning and disturbingly handsome, a servant with the aura of a master… Henriette De'Ath, an uncannily beautiful old woman whose enchanting presence was shadowed by a past of sexual notoriety and even worse…

Together they formed an unholy alliance to worship the dead and corrupt the living…