The community of South Riding lives with the recession and loss of the First World War. It also have to adapt to social change, embodied in Sarah Burton. After the death of her fiance, she returns home to Yorkshire focused on her career as headmistress of the local school. But not everyone can embrace the new social order. Robert Carne, a force of conservatism, stands firmly against Sarah. A tormented man, he carries a heavy burden that locks him in the past. As the villagers of South Riding adjust to Sarah's arrival and face the changing world, emotions run high, prejudices are challenged and community spirit is tested