In 2023, quantum physicist Yu Chen accidentally activated a homemade space-time device and traveled to Shanghai in 1926. After being rescued by the progressive young woman Ming Lan, he was involved in the current of the times while looking for a way to return. When Yu Chen discovered that Ming Lan was the "Miss Ming" who died young in history, he faced a difficult choice: should he follow history and return to the future, or change history and save his lover? The two fought hand in hand in the turbulent situation, using future knowledge to influence the course of history. In the end, Yu Chen gave up the opportunity to return and welcomed the new era with Minglan.
