Time is slipping away-is it already too late?News of Peter and Elise Andersen's latest adventure has traveled fast all the way from Helsingor to Copenhagen and King Christian. The twins are thrilled when the well-loved Danish monarch invites them to visit him at his palace.
But on the train to Copenhagen, Peter and Elise have a frightening run-in with a gruff German who is extremely protective of his travel bag and its curious-looking contents. Soon, the mysterious man begins to show up everywhere the Andersens go! The German's keen interest in an antique key Peter finds adds to his suspicions about the man's motives. What can he possibly be up to?
Convinced the German is a threat, Peter turns spy and discovers that King Christian may be in danger! But will Peter and Elise be able to warn him in time?
