Never Lie by Freida McFadden

Newlyweds Tricia and Ethan are searching for the house of their dreams. They think they've found it when they visit the remote manor that once belonged to Dr. Adrienne Hale, a renowned psychiatrist who vanished without a trace years ago. But when a violent winter storm traps them at the estate, the house begins to lose its appeal.

Stuck inside and growing restless, Tricia stumbles on a collection of audio transcripts from Dr. Hale's sessions with patients. As Tricia listens to the cassette tapes, she learns about the terrifying chain of events leading up to the doctor's mysterious disappearance.

With each tape, another shocking piece of the puzzle falls into place, and a web of lies slowly unravels. But by the time Tricia reaches the final cassette, the one that reveals the entire horrifying story, it will be too late…