Martha MacAlister

Martha Elizabeth MacAlister (née Gilchrist), Lady Glendaroch is the godmother of Robin Leishman, widow of Duncan MacAlister and mother of James MacAlister and Olivia MacAlister.

Episode 1.3
When her husband, Duncan is found dead on the Glenardoch estate, her godson Robin Leishman along with Audrey Anderson investigate the suspicions death of the Laird. During the investigation Martha accidentally calls Audrey, Christina causing Audrey to become suspicions as to why she did.

Episode 1.5
Claire Colbourne pays Martha a visit as she believes that Martha holds a key piece of information in her investigations for Audrey Anderson that Martha is keeping secret.

Episode 1.6
Martha is discovered to have known all along what really happened to Audrey's mother and is revealed to be a close friend who she has kept in contact with ever since Martha helped her disappear all those years ago.