In the city of San Marciano in Europe the whole nation is partying for the birth of the heir to the throne. Noah, the King's assistant, discovers that he is not an heir, but two identical twins, so one must die. Cornelius, another employee, pitifully of the girl and decides to take her to Mexico. Twenty years after their lives will cross again, Nita is now a poor girl with class and airs of greatness, Marciana, the princess, is the opposite, hates protocol, and she loves singing and dancing.