"Ryder Creed's priority is to keep his scent dogs safe. In the dark there are threats that are impossible to see or predict. Ever since his Marine K9 unit searched for IEDs in Afghanistan, he's avoided nighttime searches. But when a boy goes missing in a remote area of the Florida Panhandle, Creed has to put aside his fears and navigate the risks his dogs will face after dark. In the middle of the night, FBI Agent Maggie O'Dell is called to a crime...