It may be Christmas in New York but for ex-soldier turned élite bodyguard Ryan Lock it’s business as usual: his mission is to protect one of America’s most ruthless businessmen. Suddenly gunshots ring out. Amid the chaos Lock’s hunt for the killers turns into an explosive game of cat and mouse. Lock’s search for the truth takes him from the New York rooftops to a heavily fortified warehouse on the Hudson where he confronts one of the world’s most dangerous women. As the clock ticks towards midnight on New Year’s Eve all routes into and out of Manhattan are sealed and Lock realises that not only is his own life in terrible danger but so are the lives of millions of others…