Kit may be a princess, but her life is no fairy tale.

Chronically ill and abused by her new stepfather, Princess Kit finds solace in her kind stepsister Catharine. Yet the sisters may not be together for long-- Catharine is intended to be wed to a prince of the Northern Isles.

Kit's mother, the queen, strikes a bargain with the fae to free her daughter from the king's abuse and give Kit a happier ending; the fae swaps Kit's ailing body for Catharine's before Catharine can depart. Horrified, Kit and Catharine abandon their homeand travel north to find the fae who cursed them.

Kit and Catharine soon discover the prince is under his own fae curse. He offers to help the princesses. But Kit finds herself unsure she wants to switch back if it means she can't be with the prince--and worse, must return to her own suffering body . . .