After being unjustly thrown into hell, Marcus swears vengeance on all who wronged him. Fortuitously, he escapes, only to find himself reincarnated as a slave. However, this new beginning doesn't deter him from his vengeful goal. After reincarnation, he discovers a power known as Gin, which brings him one step closer to achieving his goal. As Marcus explores this world, he finds himself branded a madman. Embracing the art of madness, he takes it as his path to true supremacy.