Chase Adams, part of the FBI’s Children's Victims Unit, thought she’d seen it all. That is, until a truck loaded with the bodies of children is discovered abonded on a freeway in the middle of nowehere.

It's a sight no one can unsee, and the more they look, the worse things get–signs point to a chilling use of a biological weapon.

Now, Chase is plunged into a race against evil, unearthing shadows and following trails that might not just lead to more dead children but a sinister plot that has far greater implications for all of the United States.