Walter Hartright is going to teach art in Cumberland in the north of England. Shortly before he leaves London, he meets a strange woman dressed all in white. He meets her again in Cumberland, and when he tries to find out more about her, he discovers a mystery that involves greed and kidnapping.
This mystery novel, written by Wilkie Collins, is based on a true story that took place in the 18th century. Different narrators tell the parts of the story that they witnessed, giving the story a feeling of a trial unfolding.