As the mild-mannered Steven Grant works in the gift shop at the British Museum in London, he discovers that he may as well be a brutal mercenary.
With the arrival of a mysterious partner, Steven finds himself in the middle of a war of the gods.
As Marc takes charge while being pursued by Harrow, Marc and Layla head to Cairo to collect information.
Marc and Steven must learn to work together, while supernatural dangers are going after them.
Marc and Steven look into their past to find out who they are or else they will face a dark fate.
As Moon Knight joins the fight, Marc, Steven and Khonshu have to team up to put an end to Ammit.