Cassie Black, the daughter of Lord Voldemort and Bellatrix Lestrange, has wanted nothing more than to become an Auror. During her seventh year at Hogwarts, she must deal not only with Minister Fudge's mistrust of her true intentions, but her blossoming feelings for lifetime friend Professor Snape, which she assumes will be unrequited. (Starts during Sorceror's Stone. Severus/OC).