Dr. Melissa Campbell, researcher at the San Francisco Center for Disease Control, requests help to protect her precious vaccine, one that could end the deadly alien plague.

She didn't expect a crazy renegade like Bennett for a bodyguard. She hates military types, and this genetically enhanced super-soldier is pure testosterone, hot-headed, quick-tempered, impulsive, and downright impossible.

But these are dangerous times with riots in the streets, and rumors of alien invasion. In a breathless race against time, experience the decisive battle for humankind, one that will decide whether Earth belongs to humanity, or to a powerful alien race