Hades makes a deal with Poseidon to hand over Athens, in order to rule the whole country, causing Athens to becomes a place of doom and Prometheus Academy to become the home base of torment for students.

The Queen of the Night, Hecate, plots to overthrow Hades and take over the Underworld, ousting Pain and Panic in the process. The two minions turn to Hercules for help, and convince him to restore Hades back on his throne - Hades being, after all, the lesser of two evils.