With his eye on a lovely aristocrat, a gifted illusionist named Eisenheim uses his powers to win her away from her betrothed, a crown prince. But Eisenheim's scheme creates tumult within the monarchy and ignites the suspicion of a dogged inspector.

With just weeks before their royal wedding, Paige and Edvard find their relationship and the Danish monarchy in jeopardy when an old law is brought to light, stating that an unmarried heir to the throne may marry only a woman of noble blood or else he must relinquish his crown.