On the island of Tir Isarnagiri, Gods stalk the land, laying subtle but inescapable dooms upon the feuding kingdoms there. The lives of four young friends - Conal, Emer, Darag, and Ferdia - have been intertwined since their births. Each is destined for kingship in his own land. But when they unwittingly incur the wrath of the Horse Goddess, they find that ties of friendship - and even love - may...