In the corner of the bustling city, there is a mysterious second-hand bookstore. Shop owner Lin Yu accidentally discovered an ancient diary. When he touched the diary, he was drawn into the vortex of time and space and traveled to the Republic of China period. There, he met Su Yao, a smart and determined female reporter. At that time, the society was in turmoil and various forces were intertwined. Lin Yu relied on modern knowledge and concepts to work with Su Yao to expose the darkness and save the suffering people. In the process, their feelings gradually warmed up. However, the chaos of time cannot be underestimated. Lin Yu must find a way to return to modern times in the torrent of history. However, every attempt is accompanied by dangers and challenges. Their love and destiny are also unstable in the intersection of time and space. Can Lin Yu successfully return to modern times, and where will he and Su Yao go?
Concept: A time-travel love story