In retreat from a devastating loss and crushing injustice, Katie lives alone in a fortresslike stone house on Jacob’s Ladder island. Once a rising star in the art world, she finds refuge in her painting. The neighboring island of Ringrock houses a secret: a government research facility. And now two agents have arrived on Jacob’s Ladder in search of someone—or something—they refuse to identify. Although an air of menace hangs over these men, an infinitely greater threat has arrived, one so strange even the island animals are in a state of high alarm.

Woody Bookman hasn’t spoken a word in his eleven years of life. Not when his father died in a freak accident. Not when his mother, Megan, tells him she loves him. For Megan, keeping her boy safe and happy is what matters. But Woody believes a monstrous evil was behind his father’s death and now threatens him and his mother. And he’s not alone in his thoughts. An ally unknown to him is listening.

A writer in California. A doctor in Boston. A motel owner and his employee in Nevada. A priest in Chicago. A robber in New York. A little girl in Las Vegas. They’re a handful of people from across the country, living through eerie variations of the same nightmare.

They found the town silent, apparently abandoned. Then they found the first body strangely swollen and still warm. One hundred fifty were dead, 350 missing. But the terror had only begun in the tiny mountain town of Snowfield, California.

Since his wife, Michelle, left seven years ago, Jeffy Coltrane has worked to maintain a normal life for himself and his 11-year-old daughter, Amity, in Suavidad Beach. It’s a quiet life, until a local eccentric known as Spooky Ed shows up on their doorstep. Ed entrusts Jeffy with hiding a strange and dangerous object - something he calls “the key to everything” - and tells Jeffy that he must never use the device. But after a visit from a group of ominous men, Jeffy and Amity find themselves accidentally activating the key and discovering an extraordinary truth.