Death and Nightingales (season 1)

Beth Winters is a young woman living with her stepfather who is a rich landowner. He is a protestant. He married her mother who was a catholic. In the nineteenth century in Ireland there was a violent conflict between catholics and protestants. This conflict escalated into a real feud. The heroine's mother didn't want to renounce her faith. This is why her father began to terrorize her. It led to her death and Beth stayed with a man loved her as a daughter.