Basically we have the daughter of Bellatrix Lestrange and Voldemort who grows up in an orphanage and after examination Dumbledore decides that she deserves to learn her herritage and attend Hogwarts. The students aren't all too thrilled and are afraid so y/n gets often bullied but then she meets the Weasley twins and becomes friends with them. She developes an especially strong bond with Fred which grows to a great romance.