Based on

Movies like Mission: Impossible - The Falcon (1970)

Prince Stephan's death has been faked by General Sabattini; leaving Stephan's childlike cousin Nicolai as sovereign. Sabattini is forcing Stefan's fiancée Francesca into marrying him, placing him in line to the throne. Phelps joins a group of Dutch tourists while the rest of the team infiltrate the royal palace as a magic act led by Paris. Before the show begins Barney loots the royal vault. It's the beginning of a complex scheme to rescue Stephan, Nicolai, Francesca and simultaneously eliminate Sabatini.