The story opens in hell, where Satan and his followers are recovering from defeat in a war they waged against God. They build a palace, called Pandemonium, where they hold council to determine whether or not to return to battle. Instead they decide to explore a new world prophecied to be created, where a safer course of revenge can be planned. Satan undertakes the mission alone. At the gate of hell, he meets his offspring, Sin and Death, who unbar the gates for him. He journeys across chaos till he sees the new universe floating near the larger globe which is heaven. God sees Satan flying towards this world and foretells the fall of man. His Son, who sits at his right hand, offers to sacrifice himself for man's salvation. Meanwhile, Satan enters the new universe. He flies to the sun, where he tricks an angel, Uriel, into showing him the way to man's home.