Environmentalist Erin Neal, retired from the field and grieving in isolation since the death of his eco-terrorist girlfriend, is pressed back into service by Homeland Security when terrorists mutate the controllable oil-eating bacteria Neal invented to clean up oil spills and unleash it in the oil reserves of Saudi Arabia.

Letty Davenport, the brilliant and tenacious adopted daughter of Lucas Davenport, takes the investigative reins. By age twenty-four, Letty Davenport has seen more action and uncovered more secrets than many law enforcement professionals. Now a recent Stanford grad with a master's in economics, she's restless and bored in a desk job for U.S. Senator Colles. Letty's ready to quit, but her skills have impressed Colles, and he offers her a carrot: feet-on-the-ground...