After a catastrophic event leaves their bodies destroyed, Ne Zha and Ao Bing are granted a fragile second chance at life. As tensions rise between the dragon clans and celestial forces, the two must undergo a series of perilous trials that will test their bond, challenge their identities, and decide the fate of both mortals and immortals.

Wang Qiang (Xing Yuanyuan), the most naughty “scumbag” in the third class of junior high school, and Shi Miona (Wang Bowen), a cranky homeroom teacher, accidentally swap bodies. Wang, who had been oppressed for a long time, got a taste of being a homeroom teacher, and Shi also experienced the feeling of being considered the “school scum”. As the date of Shi’s open class competition is approaching, the two urgently need to find a way to change back into their bodies. But first, they’ll have to overcome numerous obstacles…