A kingdom's ascending heir, marked for assassination, switches identities with a lookalike, who takes his place at the coronation. When the real king is kidnapped, his followers try to find him, while the stand-in falls in love with the king's intended bride, the beautiful Princess Flavia.
"An impulsive visit to Ruritania at coronation time makes a dramatic change in the carefree life of Rudolf Rassendyll, a wealthy and aristocratic young Englishman. The Rassendylls have a very unusual family relationship with the ruling house of Ruritania. With greatness suddenly thrust upon him, Rudolf must face an extraordinary and dangerous challenge."