Jiang Chen, a time traveler, arrives in a parallel world and joins the reality show "Three People Together, Each Has Something to Teach." Bound to the "Idea King System," he teams up with temporary teammates such as Action Bro and Whatever Bro to pull off one outrageous stunt after another. From making fireworks and conducting archaeological digs to using anti-aircraft guns to make rain, building metal armor, and launching campus rockets, they repeatedly cause major trouble, only to be recruited by the authorities as geniuses time and again. Their livestream popularity skyrockets. Just then, two new teammates arrive: a college entrance exam failure and a bankrupt businessman. The system issues a new mission: "The Bar Awakening Speech." The Idea King's story continues.