A deep freeze is bearing down on the Florida Everglades, the kind of brutal storm the locals call a killing rain. For Detective Louis Kincaid, the coldest night of the year has brought a terrifying new chill -- a grisly discovery that tightens his every nerve in warning. The body proves this is no routine case. It's the start of a nightmare. And when the killer chooses his next victim, there's no doubt the detective is matching wits with a predator who is as ruthless as they come. Now, with time running out, Kincaid is on a desperate hunt of his own, tracking a twisted adversary one step away from committing the ultimate horror.