Due to the “secret drug” that turns humans into weapons, conflicts never ceased, and Taiwan became a wasteland. Having lost his parents at a young age, “Lei” lived under the Eastern Four Gods’ “Qing,” wishing to bring peace back to this land once more. However, the fragile everyday life he managed to hold onto was shattered by a single phone call from the West, and within a conspiracy-filled darkness, the shadow of the secret drug “God Killer” appears once again—