Professor David Ullman's expertise in the literature of the demonic - notably Milton's Paradise Lost - has won him wide acclaim. But David is not a believer. One afternoon he receives a visitor at his campus office, a strikingly thin woman who offers him an invitation: travel to Venice, Italy, witness a "phenomenon", and offer his professional opinion, in return for an extravagant sum of money. Needing a fresh start, David accepts and heads to Italy with his beloved 12-year-old daughter, Tess. What happens in Venice will send David on an unimaginable journey from skeptic to true believer....

May 20, 2019: Homicide detective Mallory is in Edinburgh to be with her dying grandmother. While out on a jog one evening, Mallory hears a woman in distress. She’s drawn to an alley, where she is attacked and loses consciousness. May 20, 1869: Housemaid Catriona Thomson had been enjoying a half-day off, only to be discovered that night in a lane, where she’d been strangled and left for dead. When Mallory wakes up in Catriona's body in 1869, she must put aside her shock and adjust quickly to the reality.

For years, rumors of the "Marsh Girl" have haunted Barkley Cove, a quiet town on the North Carolina coast. So in late 1969, when handsome Chase Andrews is found dead, the locals immediately suspect Kya Clark, the so-called Marsh Girl. But Kya is not what they say. Sensitive and intelligent, she has survived for years alone in the marsh that she calls home, finding friends in the gulls and lessons in the sand.

Leigh Collier has worked hard to build what looks like a normal life. She has a good job as a defense attorney, a daughter doing well in school, and even her divorce is relatively civilized - her life is just as unremarkable as she’d always hoped it would be. But Leigh’s ordinary life masks a childhood that was far from average...a childhood tarnished by secrets, broken by betrayal, and finally torn apart by a devastating act of violence.

Charlie Reade looks like a regular high school kid, great at baseball and football, a decent student. But he carries a heavy load. His mom was killed in a hit-and-run accident when he was 10, and grief drove his dad to drink. Charlie learned how to take care of himself—and his dad. Then, when Charlie is 17, he meets a dog named Radar and his aging master, Howard Bowditch, a recluse in a big house at the top of a big hill, with a locked shed in the backyard. Sometimes strange sounds emerge from it.