A kidnap... Matt Westbrook only turned his back for a moment. But when he looks around, his car - with his three young children inside - has vanished. A ransom... Panicked, Matt assumes a car thief has got more than he bargained for, but then he starts to receive text messages: This is a kidnap. If you want to see your children again, you will exchange them for your wife. A choice... Matt and his wife Annabelle are horrified. They can't involve the police, or their children will be killed. Which means they have to choose: Annabelle, or their children. Either option is unthinkable. But one is inevitable. And they have only hours to make their decision...