Searching for her sister's soul, Danae journeys to the Underworld. In the dark caverns below the earth, she must brave her worst fears and face Hades, the terrifying God of the Dead. Hermes, Messenger of the Gods, is sent on a secret mission by his father, Zeus. Seizing the chance to finally win his family's respect and the heart of the woman he loves, Hermes must risk everything to succeed. Meanwhile, on Mount Olympus, Hera, the Queen of Heaven, watches from the shadows, her once bright faith in her husband extinguished. And decides to take matters into her own hands...