When a young woman named Barbara Clarke has an affair with adventurer Roger Coverman, it causes a scandal in the Puritanical town of Salem, Massachusetts. After a meddling girl arouses their suspicions, the town's elders accuse Barbara of being a witch. She is tried, convicted of sorcery and sentenced to death. As the townspeople prepare to burn Barbara at the stake, Roger tries desperately to save the woman he loves.

The film depicts a dramatic episode in Danish history: the tumultous relationship between King Christian VII of Denmark and his English consort Caroline Matilda in Eighteenth century Copenhagen and the Queen's tragic affair with the royal physician and liberal reformer Johann Friedrich Struensee.