In the fiery depths of the netherworld, Mephisto, the malevolent lord of the underworld, hatches a diabolical plan to eliminate the spectral threats to his dominion—the Ghost Riders. To carry out his sinister scheme, Mephisto dispatches two demonic enforcers, Blackheart and Blackout, to Earth with a single mission: to extinguish the flames of the Ghost Riders once and for all.
