The road to Hades is long, dark…and treacherous. Lost in the underworld, Seiya and Shun agree to save Orpheus, the long-lost Silver Knight, from eternal imprisonment. To help free himself and his new comrades, Orpheus must square off against the nefarious Pharaoh in a hellish musical duel!

But the Bronze Knights have more on their minds than a little night music. At last, the time has come for them to face Hades himself! What strange history connects the lord of the underworld to Shun, the peaceful Andromeda Knight?