Ten thousand years ago, the evil ghosts of the underworld escaped from the underworld and caused trouble in the world. Pluto was furious and led 10,000 ghosts to the human world to capture the evil spirits. He sealed its leader Ye Yu in the Underworld's Ten Thousand Demon Cave to sign a contract with the human world, and sent black and white generals to guard the demon cave... To this day, humans and ghosts still coexist peacefully. However, due to the negligence of Yue Qiuyi, the elder of the underworld, the Demon Suppression Tower was opened by someone with a will, and evil ghosts began to run rampant in the world... However, all this seems to be related to the war ten thousand years ago...