Monsters called "Prison Demons" appeared in the world, harming humans. Hara Shinko, a street artist who likes Japanese ukiyo-e, has an unknown secret behind him. He knows Taoism, as long as he recites spells and casts spells, the graffiti he sprays can be turned into reality. Le Mingwei, the second generation of the richest man in the city, obtained the Taoist sacred object "Zodiac Belt" by chance. He used it as a weapon and joined forces with Yuan Zhenzheng to deal with the prison demon.