She was desperate, but desperate times call for desperate measures.

During the summer after the battle, Harry, Ginny, Ron and Hermione go to Australia to retrieve Hermione's parents. While Ron and Hermione travel upcountry to find them, Ginny has an accident and loses her memory. To be cured, she cannot get upset.

In yet another battle with surviving death eaters, Harry sacrifices his life to end the threat. Instead of dying, he is transported to a universe where he died as a baby to save his parents and everyone else is alive too. The quest to defeat V starts anew