Aqualad returns, seeking the Sea King's help in locating a sunken nuclear submarine! This leads to a fierce battle with the villainous Charybdis, who holds hostage someone who will come to mean a great deal to the Sea King: Dolphin.
The Sea Wolf kills another victim, and Aquaman goes to serve up justice. In the meantime, Triton kills his father Poseidonis and swears revenge on Aquaman.