What They Don't Know — Susan Sands

When the past comes to call...Following the death of her mother and the breakup with her cheating fiancé, clinical therapist, Bree Hawthorne, has built a new life for herself and her pup, Tiny, in the mountains of Moonshine, Georgia. Her practice is thriving, and occasionally, she consults with law enforcement, calling on her insights into human behavior to profile and catch criminals. She finally feels happy, and then the body of a former patient is discovered.Georgia Bureau of Investigation's agent, Mitch Calloway, is investigating the death of a woman who disappeared two years ago. When he meets Bree, Mitch inadvertently offends the blonde bombshell therapist. Though a skilled investigator, his social skills are beyond rusty, but Bree can forgive much if pie is involved.Through her experience with cults and unfortunate family ties, Bree is dragged into the investigation, and soon she and the handsome, though seriously awkward GBI officer go undercover as man and wife at a suspicious nature retreat where several women have gone missing. For Bree, it's a chance for closure on her unconventional past—if she and Mitch can survive the investigation.