Aquaman, now dead, storms the gates of Hades and frees Poseidon. Then, he returns and defeats Triton.
Aquaman awakens in the underworld where he begins his search to find Poesidon and bring him back to the living world. However he runs afoul of Charon, but fortunately knocks him into the river Styx before stealing his boat for his journey while offering the stranded souls to accompany him to storm the gates of Hades. While back in the realm of the living Triton questions the soldiers continual battle with him, turning the city from it's side in a effort to win the citizen's love. Vulko and Dardan then question Koryak's continual desire to fight him, with the two speaking with Triton who kills Dardan when he hears his position of Minister of Faith deeming no faith but himself.
Aquaman then leaves the souls in the boat as he approaches the gate calling out to Hades his intention to take Poseidon back However he soon dropped to Cereberus, which he lands on the middle of it's head as the souls distract the beast. as Aquaman beheads the middle head. While Triton has captured Dolphin and Tempest, making Dolphin scream in exchange for Tempest's life. While back in the underworld Aquaman arrives confronting Hades who Aquaman makes a deal with for a favor in the future which Hade's accepts. The two then return to the city with Poseidon reclaiming his power from his son allowing Aquaman to attack him but ordering him to stop. Poesidon then kills his son, leaving his son's trident to Aquaman before leaving as another Aquaman with two hands in the classic shirt appears with many questions.