After seventeen years of chaos, Mount Volcano High is rife with internal factions. It is said that whoever obtains the Wulin secret manual can command the world, making the long-established school, founded 108 years ago, unstable... On his first day at Mount Volcano High, the transfer student Jin Yingjun (played by Zhang He) experiences unusual occurrences. The weightlifting team's Black Bull Gang leader Zhang Liang (played by Kim Soo-roo), the top student and beauty of the swordsmanship club, Liu Caiyi (played by Shin Min-a), and the school's top warrior who also possesses super abilities, the tea ceremony club's Song Xuelin (played by Kwon Sang-woo), all make their appearances. Jin Yingjun cherishes his final opportunity to transfer, hiding his strength and seeking peace. In an unexpected turn, the principal, who is as free-spirited as a wandering cloud, is poisoned, and the Wulin secret manual he held becomes the target of everyone's attention. The vice-principal searches for it in vain, while Zhang Liang takes advantage of Song Xuelin being detained as a suspect to unleash a bloody massacre within the school. Amid the continuous chaos, an even stronger force enters the school to take part in the struggle for the secret manual...