Romance, fantasy, and magic in Bronze Age Arcadia (Greece), the wild lands of the goddess Artemis. Forbidden love... Broken vows... Betrayal... Callisto, daughter of the great Arcadian King Lycaon and the nymph Maia, has studied all her life to attain the high position of Bear Goddess among the nymphs of Artemis, taking a sacred vow of purity. But when she meets a mysterious man, her life changes forever. Kasin is a prince among the fierce centaurs and one of few who can take human shape. A follower of Zeus, he is mystified to save a nymph's life and even worse, to fall in love with an enemy of the centaurs. He is torn between his duty to his people and his love for Callisto. When the nymphs capture Kasin for their next sacrifice, Callisto cannot allow him to die, but before she can help him escape, they are caught together and their secret connection exposed. Surrounded by armed guards, they manage a daring escape. On the run from the nymphs, danger and betrayal follow Kasin and Callisto. To survive, they must evade a god obsessed with having Callisto for himself as well as others who also want to keep them apart. Their love for each other will either be their undoing or their salvation.