The sorceress Frostflower has the power to guide the lightning through the air...and to leave her body to roam the Tanglelands. But her fellow traveller and fellow sorcerer Windbourne, blamed for the murder of a farmer-priest, carries a monstrous guilt that saps his powers and threatens their lives. Led by the valiant warrior Thorn, Frostflower and Windbourne begin the dangerous journey to Five Roads Crossing, where the mourning High Priestess lies in wait...