"Tras proclamarse reina de Castilla en Segovia a la muerte de su hermanastro el rey Enrique IV de Castilla, Isabel tendrá que ganarse junto a su marido Fernando de Aragón la lealtad y el apoyo de los nobles para consolidar su reinado. Sin embargo, un grupo de nobles contrarios a ella defenderá los derechos sucesorios de Juana, conocida como la Beltraneja. Para ello, acudirán a Portugal, cuyo rey, Alfonso V, establecerá una alianza y declarará la guerra contra el bando isabelino. Dando inicio a lo que se conoce como la Guerra de Sucesión Castellana"--From container.
"Princess Isabel has now become Queen Isabel I of Spain. But even with Ferdinand by her side and the united kingdoms of Aragon and Castile, the possibility of war with Portugal, rebellious nobles, and instability among the people threaten her reign. Isabel is faced with the daunting task of repairing what her half-brother had left broken. As the new king and queen establish their power, the expansion of the Spanish kingdom continues with the reconquest of Granada, and Christopher Columbus' journey to the New World in 1492"--DramaFever website.