Lady Audley's Secret: Plot Summary

1. The grand Audley Court mansion has fallen into disrepair and is home to Sir Michael Audley and his daughter, Alicia.
2. Lucy Graham arrives in the village near Audley Court to work as a governess, charming everyone with her beauty and mysterious past.

3. Sir Michael falls in love with Lucy and proposes, asking her to disregard his wealth. She agrees to marry him despite her impoverished upbringing. Alicia resents her new stepmother.
4. George Talboys returns to England after three and a half years in Australia, hoping to reunite with his wife and son.

5. Phoebe Marks, Lady Audley's maidservant, and her fiancé Luke snoop around Lady Audley's chambers, discovering a baby's shoe and lock of hair. They plot to blackmail her.
6. Robert Audley, a barrister and Sir Michael's nephew meets George, his old friend, who tells him about his search for his wife, Helen. They discover she has recently died.

7. George is devastated and appoints Robert as the guardian of his son, Little Georgey.
8. A year later, George and Robert visit Audley Court, but Lady Audley avoids meeting them. George disappears after seeing a portrait of Lady Audley.
9. Robert investigates George's disappearance, finding suspicious clues and growing concern for his friend.
10. Lady Audley offers Phoebe and Luke money to marry and start a public house, implying blackmail.
11. During the hunting season, Robert questions Lady Audley about George's disappearance, arousing her suspicions.

12. Lady Audley visits Robert at the Castle Inn, where he reveals his investigation. She denies any wrongdoing and tries to discredit him.
13. Lady Audley contemplates her past, realizing she used her beauty to manipulate others. Phoebe informs her of Robert's suspicions and the impending investigation.
14. Lady Audley sets fire to the Castle Inn, hoping to kill Robert, but he survives and plans to expose her.
15. Robert confronts Lady Audley, who confesses her past and claims madness drove her actions. She admits to pushing George into a well.
16. Dr. Musgrave diagnoses Lady Audley with mania and arranges her commitment to a Belgian asylum.
17. Robert learns from Luke that George survived Lady Audley's murder attempt and went to Australia.
18. Robert proposes to Clara, George's sister, planning to find George in Australia. George returns from New York, reuniting with his friend.
19. Two years later, Robert has a successful career, and lives with his wife Clara, their son, and George. Alicia marries Sir Towers, Sir Michael moves away, and Audley Court remains empty. Lady Audley dies in the asylum, and peace is restored.