Time travel: In 1924, the moment Puyi was expelled from the Forbidden City, he triggered the power of the mysterious jade pendant. He traveled to a Beijing alley in 2025 and was taken in by Lin Xiaoman, a history student.
- Cultural shock: Puyi was shocked and confused when faced with modern technology and lifestyle. From resistance to gradual acceptance, he showed the unique perspective of the last emperor in adapting to modern society.
- Food enlightenment: The first modern delicacy Lin Xiaoman took Puyi to taste was an improved version of Peking duck, which triggered Puyi's wonder at modern cooking techniques and memories of palace cuisine.
- Identity crisis: A video shot by a food blogger unexpectedly became popular, making "historical cosplayer" Puyi an Internet celebrity, and also attracted the attention of a mysterious organization.
- Hidden clues: The dragon-patterned jade pendant worn by Puyi glows under certain conditions, suggesting that it is not only a tool for time travel, but also hides a greater secret.
