In the depths of hell, something evil is reaching out. Evil has returned, and a new age of darkness is nigh. The armies of Calisha march beneath the Hand of Baltoth, and the shadows lengthen. So William Gabriel and his companions are called upon once again. This time, their task is to fight the darkness of Laughing Wraith. And far to the north in Khasmir, an old enemy is rising... This is the fourth book in the series, Heaven and Hellfire.