In a race against time and nature, there's only one man you want on your side.
In northern California a small town teeters on the brink of disaster as flood waters bear down on it. Colter Shaw, however, is on an even more urgent rescue mission - a family swept away in the initial deluge.
The clock is ticking, and their survival window is rapidly closing.
However, the impending disaster raises questions - is the town's vulnerability a natural occurrence, or is there a more human element at work?
Teaming up with his sister, Dorion, Shaw must uncover the truth, and quickly, otherwise there will be no town, and no one, left to save.
For fans of Michael Connelly (The Law of Innocence), David Baldacci (To Die For), Jonathan Kellerman (Unnatural History), Harlan Coben (Think Twice), and Chris Carter (The Death Watcher).