Carter Mason is thrilled when her best friend, Queen Rosalinda, invites her to Washington, D.C. to accompany her on her first official state visit. They'll tour the White House, attend a state dinner with royal dignitaries, and maybe even visit the new spy museum. But their plans for fun quickly change when Carter discovers that another visiting royal, Her Royal Highness the Crown Princess Alice Catherine, is being threatened by her own cousin, Princess Ingrid, who'll stop at nothing to be on the throne. Can two teens outsmart one of their own and save the Crown Princess in time?

"Based on the story by David Morgasen and Annie De Young." "From the hit Disney original movie"--Cover.