Greece A.G.: After The Gods

Zeus, Hera, and the rest of the Greek gods are no more. The sudden disappearance of the once-great Pantheon throws the land into turmoil, and the citizens turn to their heroes and kings--Odysseus, Perseus, Hercules, Jason, and the Argonauts--for answers and guidance.
The gorgon sisters, Sthenno and Euryale, seize the opportunity given to them by the gods' absence. Allying with Parthenope, queen of the Sirens, and Polyphemus, the cyclops lord, they devise a plan to become the new rulers of Greece.
Will the strength of Greece's greatest heroes be enough to win the coming war? Or will the struggle for power plunge Greece into the dark ages?