Web novel mastermind Cheng Che travels to a parallel world and makes a name for himself by bringing web novels from his previous world to this one. After he stops updating because of a mango allergy, his readers play a prank on him. By a twist of fate, he ends up joining the travel variety show Roaming Diary as an ordinary guest. With his laid-back, fun-loving personality, he constantly delivers hilarious one-liners during livestreams while showcasing his musical and writing talents. He meets sweet and charming guests like Tian Xiwei and gradually builds friendships and a mutually devoted romance. Meanwhile, he repeatedly foils the schemes of popular entertainer Shen Han. When his hidden identity is accidentally exposed, Cheng Che transforms from a behind-the-scenes writer into an all-around top star who shines in both the variety entertainment and web novel worlds.