Psychotherapist Letty Whittaker, a professional secret keeper, has a secret of her own. When one of her clients slips free from an abusive boyfriend, Letty becomes the target of his violent rage. Wayne invades Letty's life, slithering his way past the barriers erected between her personal and professional lives, leaving gifts of dead rats, mutilated dolls, and freaky Shakespearian sonnets. Worst of all, Wayne uncovers Letty's deepest shame, infiltrating her AA group and threatening to expose her to the state licensing board.

Tanna Christensen spent countless hours planning for her first gross anatomy dissection, but nothing could have prepared her for what she’s found. Beneath her scalpel lies a cadaver riddled with disturbing genetic abnormalities—evidence pointing to an unthinkable crime.

Mackenzie—Mack—Owens was supposed to live out every millennial’s dream, but instead it turned into a nightmare. Inheriting a house and bookstore, she was going to leave the New York City rat race after getting fired from her job and start a new life on the coast of Cornwall in England. No more 14-hour work days and rats the size of small toddlers. Hello turquoise waters, white sand beaches, and cobblestone streets. Unfortunately, things don’t exactly go as planned.

When Detective Madison Harper arrives at a remote summer camp in Shadow Falls, Northern California, her heart breaks for Jenny, the sweet little girl last seen splashing in the lake with her friends before she vanished. Peering into the silent cabins filled with rows of neatly made beds, Madison knows this idyllic place is hiding a terrible secret.

A frozen street performer turned serial killer eludes the FBI and escapes to Paris—where he kills again, luring tourists into his trap—and FBI Special Agent Juliette Hart is dispatched across the world to hunt him down. Juliette’s brilliant mind and European upbringing make her the perfect agent for this case, but being back in Europe resurrects her dark past, and this killer is more diabolical than anyone imagined.