Fear has led Rachel to a reclusive life on the land with only occasional contact with the outside world. Her solitude is interrupted by a hammering on the door. Before her stand a mother and a baby. They are running for their lives from a mysterious sickness sweeping Australia.Rachel is faced with a difficult choice: to bring these strangers to safety in a world she has completely rejected or continue her precious existence in isolation. The decision she makes will change her life.In this episode Gregory Dobbs chats to Inga Simpson about setting a terrifying doomsday story in the beauty of the NSW South Coast, the glory of a life of solitude and the nexus between nature writing and fiction.