A squad of prisoners and their guards are sent to investigate a mysterious island. They get stranded there and must rely on each other to survive the island's mysterious and monstrous residents.
In a dystopia riddled with corruption and cybernetic implants, a talented but reckless street kid strives to become a mercenary outlaw — an edgerunner.
Akira Fudo learns from his best friend Ryo Asuka that demons will revive and reclaim the world from humans. With humans hopeless against this threat, Ryo suggests combining with a demon. With this, Akira becomes Devilman, a being with the power of demon but with a human heart.