A Christmas journey: In the Berkshire countryside, family and guests have gathered for a delicious weekend fÒete surrounded by roaring fires and candlelight. It's scarcely the setting for misfortune, and no one--not even that clever budding sleuth Lady Vespasia Cumming-Gould--anticipates the tragedy that is to darken this holiday house party.

A Christmas visitor: At the Dreghorn family reunion, the tranquility of a snowbound English estate is shattered by what an apparently accidental death. The victim's distraught wife summons her godfather, the distinguished mathematician and inventor Henry Rathbone, to the scene. And questions about the tragic event soon turn into whispers of murder.