The war between humans and demons over the scope of their domains by Skynet’s control still continues.
During a meteorite disaster five years ago, a piece of rusty iron pierced into Lin Yun’s brain. One day, he sees a similar-looking piece, which installs a smart computer in his brain.
He completes the quests given by the Skynet System and fights against the demons to get stronger so that he can reunite with his lover, Feng Ke. How far can he go on his journey?