On the eve of the Pearl Harbor War, Xie Buchen, the deputy director of Intelligence Division 76 with a triple identity, received a tripartite mission from No. 76, The military commander, and the Chinese Communist Party. Jiang Xiyu, a senior student in the Department of Economics at Harvard, returned from studying abroad and pretended to be the niece of a traitorous wife and the daughter of a Japanese noble. The story begins on the Victoria cruise ship returning from Hong Kong to Shanghai...