Blood Is Thicker (S02E03)

The Doc encounters an unusual family hesitant to allow him to visit their home, and their obsession with taxidermy suggests a sinister mystery surrounding their vanished mother. Meanwhile, PC Mystow faces his own familial issues when his domineering sister moves in and starts her herbalist business, much to the Doc's irritation. A casual comment from Pauline prompts Al to embark on a journey that risks unraveling his bond with Bert.