12-year-old Ashmol lives in the Australian Outback with his mum, dad and his little sister Kellyanne... and her two invisible friends Pobby and Dingan. When Pobby and Dingan disappear, Ashmol decides that there is only one thing to do for the sake of his sister – find them. A story about the possibility of dreams, about a community coming together, the preciousness of hope and how, sometimes, we have to believe in the impossible.