From Banished General to Northern Emperor

Edmund Alban, Camelot's greatest warrior, is tasked by the dying king to guard Princess Isabella and marry her. Returning victorious from war, he is betrayed by Isabella and her lover Leon, falsely accused of treason and banished. Camelot falls soon after he leaves. Three years later, Edmund is emperor of the north, set to marry Elena. Isabella begs for forgiveness in vain. Edmund retakes Camelot and weds Elena, while Isabella dies alone after decades of waiting in the snow.