In this installment, Arthur Curry is confronted with his greatest test yet. As he navigates the treacherous waters of political intrigue and ancient rivalries, he learns that an artifact known as the Trident of Eternity—lost for millennia—has been unearthed by a rogue faction of Atlanteans. This group, led by a mysterious warrior claiming to be the true heir to the throne, seeks to destabilize the realm Arthur has fought so hard to protect.