Sub-Mariner [Namor]; GUESTS: Lord Vashti; Lady Dorma; VILLAINS: Byrrah; Attuma; Krang; Inferno Isle Monster
As the new ruler of Atlantis, Byrrah has Namor arrested and sent to the dreaded Inferno Isle. Namor battles the lava monster that lives there and returns to Atlantis to seek his vengeance. Meanwhile, back in the undersea kingdom, Dorma has found Byrrah's hypnosis machine that won him the throne and uses it to turn the Atlantean allegiance back to Namor. With his hold quickly crumbling, Byrrah has Attuma activate a weapon that will destroy all of Atlantis figuring if that if he can't rule the realm, no one will. Namor arrives in time to destroy the machine and route his enemies.