When the Washington D.C. police stumble upon a gruesome murder scene involving a girl who'd been slowly starved to death while held captive in a cage, FBI neuroscientist Sayer Altair is called in to lead the investigation. As public pressure mounts, she discovers that another girl has been taken and is teetering on the brink of death. With evidence unraveling around her, Sayer races to save the second victim but soon realizes that they are hunting a killer with a dangerous obsession...
