Misfortune after misfortune befalls a young woman who inherits a priceless jewel that was stolen from a Hindu shrine by a plundering ancestor. London detective Sergeant Cuff is hired to solve the mystery.

"The woman in white first appears at night on a lonely heath near London and is next seen at a grave-side in Cumberland. Who is she? Where has she come from, and what is her history? She seems alone and friendless, frightened and confused. And it seems she knows a secret - a secret that could bring ruin and shame to a man who will do anything to keep her silent. This famous mystery thriller has excitement, suspense, romance, and a plot that twists...

The Moonstone is an ancient Indian diamond which brings disaster to everyone who owns it. Rachel Verinder's uncle gives her the diamond as a birthday present, but that same night it is stolen.

Tells of a pair of half sisters whose lives end up caught in a grand conspiracy revolving around a mentally ill woman dressed in white. As the story unfolds, murder, love, marriage, and greed stand between the two women and happy lives. Their only hope is the secret the woman in white waits to tell them.