On the fourth floor of Zeji Building of Guanzhong Middle School, there is an undercurrent surging under the peaceful campus life. The "Shou Family Army", with the calm and wise "Shou Brother" as its core, unites and helps each other, forms a sharp opposition to the arrogant and domineering "Huazi Gang" founded by the school bully Li Rui in the next class. Relying on the strength of their numbers, the ruthlessness of core member Li Rui, the arrogance of Brother Kai, and the absolute power of Zi Cang, the Huazi Gang is rampant and tyrannical. In particular, its arrogance is increasingly symbolized by the ritual of puffing clouds and smoking "Huazi" in the "holy place" of the toilet. Facing the Huazi Gang's constant pressure and public humiliation, Shou Ge knew that fighting hard was not the best option. He strategized and led his right-hand assistants - the clever monkey, the sullen military counselor CC, the tough guy Brother Hao, the ruthless General Yu, the smooth-talking Xiutong, the steady Tianhao, and the Hei Ge and Lao Da who were lurking in the enemy camp - to launch a Jedi counterattack codenamed "Taking Fire from the Bottom".
