Wang Qiang, the most mischievous "scumbag" in Class 3 of Junior High School, and Shi Miaona, the "irritable class teacher", unexpectedly swapped their bodies. Wang Qiang, who had been oppressed for a long time, overcame the addiction of being a class teacher, and Shi Miaona also experienced the taste of being a "scumbag". Shi Miaona's public class competition is approaching, and the two urgently need to find a way to exchange their bodies, but they encounter numerous obstacles.