Night is falling as murder detective Jack Caffery arrives to interview the distraught victim of a car-jacking.

What he hears horrifies him. The car was taken by force, and on the back seat was a passenger. An eleven-year-old girl. Who is still missing.

Before long the hacker starts to communicate with the police. And Caffery becomes certain that he is planning to take another car. And another child.

Who is the car-jacker? How is he choosing his targets? And - most urgent of all - can Caffery find the child?

Before it's too late...