It may be Christmas Eve in New York, but for ex-military bodyguard Ryan Lock it's business as usual. His task: to protect the CEO of the world's largest bio-technology company from a group of radical, and highly determined, activists. But when a failed assassination attempt leaves the streets of midtown littered with bodies, and hours later the son of the company's chief research scientist is abducted from his Upper West Side prep school, Lock's hunt for the boy turns into an explosive game of cat and mouse.

Through the corporate corridors of power and dark alleys of Manhattan, Lock's search leads him towards a deadly confrontation with one of the world's most dangerous women. As the clock ticks towards midnight on New Year's Eve, and the crowds gather in Times Square, Lock realizes that not only is his own life in terrible danger but so are the lives of millions of others....