Aquaman balances his duties as king and as a member of the Justice League, all while planning a wedding. Black Manta is on the hunt for Atlantean tech to help rebuild his armor. Orm plots to escape his Atlantean prison.

Aquaman must battle foes in the air, on land and in the depths of the Seven Seas, along with some help from The Justice League, to save the day .

Arthur Curry, the human-born heir to the underwater kingdom of Atlantis, goes on a quest to prevent a war between the worlds of ocean and land.