The Espionage Career of the Military Commander's Brother-In-Law

The Republic of China was in chaos, and the mountains and rivers were broken. The protagonist Zhou Muyun wakes up and becomes the "brother-in-law" of a station manager of the Kuomintang military command. This identity is like an ill-fitting suit. He originally wanted to live in troubled times, but he discovered that there was a mysterious space hidden in his body - time was frozen there, and people and things could be hidden. It's the only escape hatch and the most dangerous bet.