Lieutenant Commander James Ashford is a modern Royal Navy officer who believes duty ends at the edge of the known world. When a centuries-old supernatural treaty begins to fail, he is forced to inherit a hidden responsibility bound to his bloodline. To prevent London from being overrun by ancient powers, James must renew the Iron Accord. Failure means catastrophe on a citywide scale. The Iron Accord is a dark, atmospheric urban fantasy short story, blending military realism with occult history, in the vein of Ben Aaronovitch.