Cao Bin, a young man in the 21st century, is suddenly faced with a sudden increase in rent, but unexpectedly travels back to the troubled times of 1932. Holding a mysterious pocket watch in his hand and bound to the espionage system, he embarks on a reverse journey in this ever-changing world of espionage.
Starting from rescuing the patriot Zhang Yue, Cao Bin relied on his intelligence analysis skills to survive the numerous sieges by the Japanese army, traitors and spies. He went deep into the enemy camp to steal secrets and defuse the Japanese conspiracy, but he also attracted various forces to pursue him crazily. In this dangerous journey, can Cao Bin rely on wisdom and courage to rewrite history, end the darkness, and usher in the dawn?
