Sarah Peterson's great life in Australia with a loving family and amazing friends comes crashing down when her family is murdered and she is sent to England where discovers she is Harry Potters long lost sister. But is Harry her only family after all? Between a new school, new friends and a new family Sarah's life has gotten a lot harder. Will she be able to avenge her family's death? Will she achieve her destiny and help Harry defeat You know who once and for all? Read and find out. I'll make it clear now that I own nothing and nobody and this is just Fan-Fiction and we can all thank J.K Rowling for this awesome imaginary world!