Quantum physicist Lin Lan accidentally traveled to the Zhou Dynasty in parallel time and space and became a scholar of the same name. Relying on modern science and thinking, he promoted imperial examination reform, firearms improvement, and overseas exploration, and struggled to survive in the court struggle. With the emergence of the mysterious organization "Tianlihui", Lin Lan discovered that his time travel was not accidental, and the secrets of time travel and contact with interstellar civilization were gradually revealed. The work combines history, science fiction and philosophical speculation, spanning eight hundred years of time and space, showing the magnificent journey of a civilization from tradition to interstellar, and exploring the ethics of technology, civilizational responsibilities and individual value choices in the grand history.
