Walter Hartright encounters a mysterious woman in white and is drawn out of ordinary life into a realm of hidden danger. At Limmeridge House he meets Laura Fairlie and Marian Halcombe and senses unease beneath apparent calm. The resemblance between Laura and Anne Catherick signals an unresolved past intruding upon the present. Sir Percival Glyde’s arrival transforms suspicion into threat. Walter leaves the estate aware of danger but powerless to stop it.