The Good Spies

Faith Gallian lost everyone she had ever cared about and decided to join Voldemort at the height of the war. Now many years later, she is an ex-death eater and has taken on the role as the new professor at Hogwarts. Still loyal to the dark lord and mistrustful of everyone. Can she learn to love and trust again or will she end up making the same mistake twice? OC and no slash.