A virtuous Spanish princess becomes queen of Portugal, and soon is affected by the social struggles and the reckless fight to power between the king's faction and that of his son's.

Maruchi Fresnoas Isabel of Aragón
António Vilaras Dinis, King of Portugal
Luis Peñaas Nuño de Lara
Fernando Reyas Infante Alfonso
José Nietoas Vasco Peres, the alderman
María Martínas Blanca
Juan Espantaleónas Pedro, the priest
Fernando Fernández de Córdobaas Pedro III de Aragón
María Asquerinoas Leonor
Virgílio Teixeiraas Alfonso Sánchez