Robin Ballard was born into a family of powerful witches, but when they turned to evil for their own gain, she left them behind and married John Winchester after telling him that every tale of supernatural horror is true. Decades later, he runs a successful auto repair shop, she owns a lucrative herbal remedy store, and they travel the United States saving the unaware from the paranormal, all while raising their two sons, Dean and Sam. Unbeknownst to them, however, her family began a revenge scheme long ago, on the night that Sam was six months old, that is about to reveal itself...