Special Agent Maggie O'Dell has seen a lot in her career, and amidst the killers, psychos and criminals she has hunted, she's delved deep into the darkest, most shockingly evil recesses of the human mind. But when a cool box filled with body parts washes up on the shore of Florida's Pensacola Beach, even Maggie isn't prepared for what she is about to get into. While across the state, people brace themselves against the onslaught of a hurricane advancing across the Gulf of Mexico, Maggie begins the laborious process of tracking down the cooler's origins.