The Grownup by Gillian Flynn

A Story by the Author of Gone Girl

A young woman, who makes a living by pretending to be a psychic, is hired by a wealthy client to cleanse her Victorian home of a malevolent spirit. As she delves deeper into the family's history, she becomes entangled in a web of psychological manipulation and deceit. The story takes unexpected twists as the protagonist grapples with the eerie occurrences in the house and the unsettling dynamics between the family members, ultimately questioning the nature of truth and deception.