Moon and Son - Season 1 Episode 13 S.O.S. From A Gemini

A series of bizarre and ominous occurrences befall the Townsends, an English family living in an old French farmhouse, and seem to be connected to sinister events which took place during the War. Meanwhile, Gladys is being chatted up by a charming American, and Cecile is contemplating the possibility of a future which does not include Trevor.