In Shanghai in 1935, on the eve of the legal currency reform, the Japanese army was advancing into North China step by step, and there was a lot of turmoil.
A Tsarist Russian princess, carrying Kolchak's gold, was escorted by a "defected Soviet captain" and checked into the Peace Hotel. The forces of the Kuomintang, the Communist Party of China, China, Japan, the Soviet Union, Germany, Britain and the United States formed an intricate network of relationships in Shanghai in 1935. But as the investigation deepened, people gradually discovered that something that should not belong to this era was being exposed in the Gaochangmiao Naval Base - who were those men and women?
There are still two years until the Battle of Songhu.