Jiline of Ainsley is dismayed when her best friend is selected by the mages to become a unicorn keeper at the Keep, an isolated mountain fortress. Especially since Madelen is in love and engaged to the richest boy in the village. Jiline on the other hand has no prospects of marriage or a trade in their small village. So, she comes up with a plan to take Madelen's place at the Keep and hopefully flunk out of unicorn keeper training before the mages...