A young woman who learns that one of her ancestors had been burned at the stake as a witch decides to exact her revenge on the descendants of the people who had her killed.

Carr plays Anna Webb, whose husband John (Lynn Hammond) invents a new kind of sewing machine. The patent makes the family wealthy, and after Webb dies, Anna takes over the business. She puts her sons John (Percy Helton) and Harry Joseph Striker) in charge of the factory, while daughter Ruth (Jane Thomas) elopes. When Harry steals some money, the blame falls on John, who leaves town.