'In one moment, every drop of blood in my body was brought to a stop . . .' Gentle art teacher Walter Hartright has fallen in love with his student, Laura. But she is marrying the wicked Sir Percival, who wants to destroy her reputation and steal her fortune. In the face of his powerful friends, only Laura's resourceful sister Marian and faithful Walter can save her from his wicked machinations and the terrors of the insane asylum. But who is the mysterious woman in white who haunts the moonlit roads and hidden graveyards? And will her secret save Laura - or destroy them all?