Young alien agent Zack joins an archaeological dig in Mongolia to ensure that there is no trouble from the dinosaur-like scientists from Vraj's home planet who are on a similar dig nearby.

In early fourteenth-century China, Oyuna tells her granddaughter of her girlhood in Mongolia and how love for her horse enabled her to win an important race and bring good luck to her family. Born on the Mongolian steppes during the reign of Kublai Khan, Oyuna's future seems decided when, as an infant, her foot is crushed by a horse. Her clan believes she has been cursed by bad luck, and she is confined to her family's tent to cook and sew. But Oyuna...