Annalee Ahlberg is a sleepwalker; her affliction manifests in ways both bizarre and devastating. The morning Annalee goes missing, a search party combs the nearby woods. Annalee's husband, Warren, flies home from a business trip. Daughter Lianna is questioned by a young detective, and little sister, Paige, takes to swimming the Gale to look for clues. When the police discover a small swatch of fabric, a nightshirt, ripped and hanging from a tree branch,...

Maren, her older sister Hallie, and their grandmother go undercover to investigate a suspicious summer camp for dreamers, and when sleepwalking campers cannot be awakened, the three hurry to uncover and stop the criminal mastermind running the camp.

"Shana wakes up one morning to discover her little sister in the grip of a strange malady. She appears to be sleepwalking. She cannot talk and cannot be woken up. And she is heading with inexorable determination to a destination that only she knows. But Shana and are sister are not alone. Soon they are joined by a flock of sleepwalkers from across America, on the same mysterious journey. And like Shana, there are other "shepherds" who follow the flock...