The time is 2003. High-performance camera phones, MP3s, digital cameras, Pentium 4s, X-Games, video chatting, and premarital cohabitation were all the rage among young people. …….. Taoists living in skyscrapers There are cleaners who cling to skyscrapers to clean glass, old women who carry heavy bags freely, and Taoists who maintain peace in the sprawling city center without anyone noticing. The world is said to be at peace because of the unseen work of these people, who have honed their skills in one field for a long time. …… Sang-hwan, a ‘zealous policeman’, and Arachi, an ‘arachnid’, became policemen because they wanted to punish people who used their power for bad purposes. But his reality is that he has to kneel at the feet of gangsters. “You have the talent to become a maruchi! I heard Jang Feng will teach you!” Their name is Chil-sun, and that’s how his first encounter with Ui-jin, an “arachi” began!!! Do you want to become a maruchi, an ordinary policeman?!! Although he can’t believe the strange people’s words, Ui-jin, a pretty girl named “Arachi,” makes him decide to become a maruchi. However, he spends his days cleaning, floating, and levitating, leaving behind the long winds and levitation he was promised to learn… At the same time, the Black Cloud, an absolute evil sealed by the Seven Seals, is unsealed, and the world awaits the birth of a Maruchi more than ever. ….. Will Sang-Hwan, an ordinary young man, be able to join forces with Arachi and protect the world and peaceful chi?