College student Nan Barlow visits the village of Whitewood as research for her paper on witchcraft in New England, particularly the case of Elizabeth Selwyn. Her tutor, Professor Alan Driscoll(Lee), recommends the Raven's Inn, run by a Mrs. Newless.
Rather unwisely, given the amount of low-hanging fog outside(and against the advice of Mrs. Newless), Nan takes an immediate interest in the basement...