 An urgent smallpox vaccination program is underway in Tannochbrae. Dr. Neil suspects that Mary Thomson s illness remains because she is not taking her medicine. To Brenda s discomfort, Steve arrives at Arden House and for the first time meets Dr. Finlay. Alan Thomson is attacked by his father-in-law. Janet and Angus Livingstone begin to move the last of Dr. Cameron s possessions to his new cottage.