Early in the 1690's a wave of witchcraft hysteria hit the Massachusetts village of Salem. More than 400 people were accused of witchcraft by a group of children seemingly possessed by the devil. Twenty were executed or killed, and many others were jailed and were still awaiting trial when the Governor had them released. Sarah Coyle (Vanessa Redgrave) was one who survived after years imprisoned. Her two sisters (Phyllis Thaxter and Kim Hunter) were hanged as witches. Ten years later Sarah convinced a Royal Commission sent from England that she and her sisters were innocent. The three members of the commission, deeply moved moved her incredible story, each gave her a gold sovereign...