The New York Times bestselling master of suspense returns to his beloved series, adapted for TV and featuring Justin Hartley, as reward seeker Colter Shaw races against the clock to save a flooding town from a full-fledged disaster, where the culprit lurks in the plain sight. A small town in Northern California is at risk of being destroyed by a failing levee, and Colter Shaw has been hired to locate a family swept away by the raging water, with mere hours to survive. But is the levee at risk of failing from natural causes or is someone sabotaging it? With the help of his sister, Dorion, the duo must save the citizens before the old town washes out at the hands of a secret conspirer.