In the Darkness Visible tells the story of two brothers, Sade and Vondales, and their attempt to wrest control of a portal to the world of the dead. A young village girl, Gabriella Carlyle, resists them with the help of her mentor Omanuju and his companion elk. While the brothers' lust for power corrupts them, Gabriella finds herself on a quest that leads to new friends, exotic lands, and great peril.