Meet Nathan Byrn. He's half Fairborn Witch, half Blood Witch. His mother was a healer, his father is a killer. He's been kept in a cage since he was fourteen. But if Fairborn Witches are good, and Blood Witches are evil... What happens if you are both? 'The Bastard Son and the Devil Himself' is a major new Netflix series based on the book 'Half Bad' by Sally Green.