A gripping historical adventure by a much-loved and award winning author. Soon to be a major motion picture, starring Stranger Things' Noah Schnapp. It is World War II and Jo stumbles on a dangerous secret: Jewish children are being smuggled away from the Nazis, close to his mountain village in Spain. Now, German soldiers have been stationed at the border. Jo must get word to his friends that the children are trapped. The slightest mistake could cost them their lives.