When Chaplain Elysius of the Salamanders is taken captive by Dark Eldar, he faces a fight for survival at the hands of these cruel aliens. The Firedrakes of 1st Company attempt a daring rescue mission, but much more is at stake than the Chaplain's life. He holds the key to secrets buried beneath Mount Deathfire, secrets that could reveal the damnation - or salvation - of their home world. The Salamanders must penetrate the Port of Anguish and defeat the xenos threat there if they are to unveil the mysteries within the Tome of Fire. Meanwhile, Dak'ir battles to survive the brutal Librarian training, and in his visions lies an even darker future.