The show followed the lives of unassuming newly-fledged vet James Herriot; his temperamental but good-natured boss, Siegfried Farnon; Siegfried's laddish younger brother, Tristan; and James' eventual wife, Helen. The Revival added Calum Buchanan, a back-to-nature Scottish vet. Other recurring characters included Mrs. Hall, the invaluable housekeeper, and Mrs Pumphrey, the eccentric owner of a spoiled Pekinese. The Theme Tune, Piano Parchment, is particularly lovely. This show provides examples of: