Iris and Gabriel have just returned from a vacation they hoped would save their marriage. However, a big surprise awaits them. A close friend of theirs, Laure, is at their house. She is sleeping in their bed, wearing Iris's clothes, even rearranging the things in their kitchen. She has left her husband—and their also beloved friend—Pierre, after his confession that he has a child with another woman.

Iris and Gabriel want to be supportive. But as Laure's mood becomes increasingly unpredictable, her presence begins to unravel a tangle of secrets haunting all their pasts until the situation reaches its breaking point…

"The Guest" is the new gripping psychological thriller from the author of the worldwide bestsellers "The Therapist" and "Behind Closed Doors," B. A. Paris. Suspense. Secrets. Suspicions. Scandals. A story that will keep you on the edge of your seat until the very last page, as twist follows twist.