7-Year-old Zhong Yu opened the book collection "Cang Dong" at home and traveled back to his mother Yu Xing's first book signing. He learned that the content of "Chang Dong" was Yu Xing's real experience, and the story entered Yu Xing's world back then. The detective team of Yu Xing and his childhood sweetheart Zhuo Shaosi in high school teamed up with their true destiny, the aloof Zhong Yidong, for some reasons. After becoming happy friends in adventure after adventure, the two gradually understood their true feelings, but they kept missing each other. Relying on the magical pocket watches of Yu Xing and his brother Yu Yang, they unfold their adventure stories and the ups and downs of the people around them.
Intention: None