Feature-length animated adventure featuring the DC Comics superhero. When Aquaman (voice of Dee Bradley Baker)'s half-brother, Ocean Master (Trevor Devall), takes over the kingdom of Atlantis and corrupts its inhabitants with the help of Atrocitus (Jonathan Adams), the leader of the Red Lantern Corps, Aquaman enlists the help of the Justice League to stop them. When they are transported to another planet, the League discovers Atrocitus is planning to send his minions to Earth to conquer the planet with the help of the Atlanteans. Can the heroes find their way home in time to save Atlantis and help Aquaman regain his throne?