Alaïa, a young princess, soon-to-be wed to the widowed king of Castille.

Ayala, a commoner that tries to earn a living mending clothes and sewing garments.

What do these two have in common?

Their resemblance is uncanny.

Fate has its way of making them cross pass when one of the royal escorts mistake them for the wrong one? How will they return to their own world?