Fresh from their victory over the evil Ja'al cult in Whitehorse Peak, Dar Cabot and his friends set out to unravel the meaning of the mysterious prophecy of the Song of the Grey Riders, a poem that predicts heroism, calamity, and a clash of Darkness and Light - One Dark Rider fighting Seven of Grey. However, their efforts are interrupted by new dangers linked to events from their pasts: Andyn's husband's murder and the betrayal of Buck Bydecy by an old friend. Pursued by sinister dark elves allied with the Ja'al, the Grey Riders have to find a way to clear Buck's name and defeat Andyn's nemesis. Meanwhile, Megan and Brandawyn Alenar run into problems of their own on a secret mission to the south, tracking down ancient secrets that could lift the oppressed people of their homeland of Torosc out of tyranny... But lurking in the shadows, the undead sorcerer-princess, the Dark Rider, waits, her shadowy plots designed to doom them all...