Sixth Prince Kaelan Shaw is framed by the Crown Prince, deposed, and exiled. He joins the army under the alias Quinn, exposes the treasonous Marquis Shepherd, and forms an iron cavalry that crushes the Steppe Clans' army. Returning to court as the God of War of the North, he uncovers the conspiracy, quells a palace coup, and clears his name to ascend the throne.