Newly-minted child psychologist Mina has little experience. In a field where the first people called are experts, she’s been unable to get her feet wet. Instead, she aimlessly spends her days stuck in the stifling heat wave sweeping across Britain, and anxiously contemplating her upcoming marriage to careful, precise researcher Oscar. The only reprieve from her small, close world is attending the local bereavement group to mourn her brother’s death from years ago. That is, until she meets journalist Sam Hunter at the grief group one day. And he has a proposition for her.

Muriel McAuley has lived in the Scottish fishing village of Witchaven all her life. She was born there, and she intends to die there. But when an overseas property developer threatens to evict the residents from their homes and raze Witchaven to the ground in the name of progress, all seems lost . . . until the day a mysterious fog bank creeps inland.

1983: Three students from a small college embark on a week-long road trip to film a documentary on roadside memorials for their American Studies class. The project starts out as a fun adventure with long stretches of empty road and nightly campfires where they begin to open up with one another. But as they venture deeper into the Appalachian backwoods, the atmosphere begins to darken. They notice more and more of the memorials feature a strange, unsettling symbol hinting at a sinister secret.

There’s something sinister under the surface of Wesley Falls, and it’s not just the abandoned coal mine that lies beneath it. The summer of 1995 kicks off with a party in the mine where six high school students witness a horrifying crime that changes the course of their lives. When they realize that they can’t trust anyone but each other, they begin to investigate what happened on their own. As tensions escalate in town to a breaking point, the six make a vow of silence, bury all their evidence, and promise to never contact each other again. Their plan works—almost.

Marshall is still trying to put the pieces together after the death of her husband. After she is involved in a terrible accident, her editor sends her to the small, backwards town of Raeford to investigate a clearly ridiculous rumor: that a horse has given birth to a healthy, human baby boy. When Marshall arrives in Raeford, she finds an insular town that is kinder to the horses they are famous for breeding than to their own people. But when two horribly mangled bodies are discovered in a field—one a horse, one a human—she realizes that there might be a real story here.