Super Short Summary

The Turn of the Key by Ruth Ware follows Rowan Caine, who accepts a lucrative nanny position at Heatherbrae House in the Scottish Highlands but soon faces unexpected challenges. Through letters from prison to her lawyer, she maintains her innocence in the death of a child in her care, recounting the eerie occurrences, family secrets, and her struggle with the house's demanding technology. The book addresses sensitive topics such as the death of a child and infidelity.