Female college student Mo Xiaoqing meets the national idol Mu Xuan. Tang Bohu and Qiu Xiang are married by three smiles, while Mo Xiaoqing and Mu Xuan are married by three encounters. Due to her sudden love for Mu Xuan and her friend's last wish, Mo Xiaoqing stood out in the selection of the female lead in "Love in the World" and entered the entertainment industry.
The entertainment industry is like a besieged city. People inside are desperately trying to get out, and people outside are desperately trying to get in. In this world that is only fleeting, Mo Xiaoqing, who is Mu Xuan's number one fan, is struggling to grow up in this strange world.
On the other side, the dazzling national idol Mu Xuan, who seems to be standing at the top, has a mysterious life experience. He seems to be protected by a golden bell and an iron cloth shirt, but he also has a vulnerability that is vulnerable to attack. This is her and his youth, her and his national era, even if he is surrounded by enemies on all sides...