Arden House is snowbound on the night before Hogmanay and emotions rise to the surface as the residents spend a long night together.
Dr. Finlay investigates the strange medical symptoms suffered by a group of nuns, but clashes with their obstructive mother superior.
A deathbed confession forces Finlay to choose between duty and justice.
A young wife believes she has contracted syphilis from her husband, but he has never been unfaithful.
When Dr. Finlay takes a walking holiday in the Highlands, his break turns out to be rather more passionate than he'd expected.