Far Away, Long Ago

Salazar Slytherin does have a very good reason to be distrustful of Muggles and Muggleborns. As does his sister Selene from the time they watched Muggles and their new shield of the Church murder their parents. As time wears on, Hogwarts gets founded. Selene starts to think more carefully about Muggleborns. And why is her brother's best friend making her feel like she is going mad?