Fan Casting Aquaman

After the disappearance of Atlantis through Brainiac, the Atlantans found a ruin near the city. Aquaman and Mera go there and discover a message left by his mother Atlanna. It seems like she is still alive. Arthur tells this Orm, who has become closer to him, and the three decide to search for her. Meanwhile an Aquaman-obsessed scientist named Stephen Shin gets abducted by a pirate called Black Manta. The pirate tells him that he can't do his "job" because of Aquaman, so they form a strong alliance...