A Roman Consul, on his way to fight a border war, stations a garrison of soldiers in a provincial town. The townspeople aren't happy with this situation but decide it's in their best interests to cooperate. However, the Tribune left in charge of the garrison proves to be cruel and demanding.

Two two-bit crooks get in the way of a criminal ring and cause a hold up to fail. The two flee to Paradise avoiding a reprisal and try and steal Saint Peter's halo.

King Androcles of Thebes commands a ship in search of a threat to Greece, predicted by an atmospheric oracle. Hercules is part of the crew, but the strongman falls overboard in a thick fog. Washed ashore, he saves a young Ismene from Proteus, an evil, shape-shifting creature. Ismene takes Hercules to Atlantis, where he discovers that her mother, Queen Antinea, has captured Androcles. Hercules schemes to rescue him and thwart Antinea's dream of world conquest.