In the aftermath of the devastating Mermaid Wars, the fractured, yet once great city of Iliad is under siege by dark forces. The infamous Goblin Hunter and the elite assassin, Atticus, must fight enemies both living and dead, in a desperate final bid to restore peace.

A band of guardians are tasked with protecting a messenger who must urgently deliver vital information to their king. On their deadly quest across an ancient land, they face incredible danger as they battle against plague-ridden outcasts, dark magic, and vile monsters.