Tensions rise between Delvengard and Sorak as the Sorak queen demands the return of the Blade of Torrill. As Delvengard scrambles to locate the mythical weapon, many fear war is inevitable.

Fritz, who secretly possesses the dagger, is tormented by its evil. Eager to take control of its power, he journeys in search of a mysterious being who may be able to help.

The Green Dagger, Book Two of the BlackMyst Trilogy, continues the adventure, five years after the events of Book One, Eyes of the Enemy.