Humans do not understand Aquaman or believe in Atlantis, so they ridicule the half-human hero, but when creatures from the depths of the ocean attack a beach town, they need the help of the self-exiled King of Atlantis and his mermaid partner, Mera.
The deadly Black Manta is hunting down the Others to stealtheir powerful Atlantean artifacts. Aquaman reassembles his old team in order to defend the Others and Atlantis.