In 1943 Shanghai, military agent Chen Qian, tasked with assassinating a Japanese official, uncovers a conspiracy. Disguised as a Japanese envoy, he infiltrates enemy territory, relying on the help of Communist Party member Chun Yang to thwart the invaders' plans.

Peng Guanyingas Chen Qian / 陈浅
Chen Yuqias Yu Chunyang / 余春羊 / Wang Kaiya / 王开雅
Fu Dalongas Yutarou Ida / 井田裕太郎 / Yujiro Ida / 井田裕次郎
Chen Xiaoyunas Wu Ruonan / 吴若男
Sun Zhihongas Zhou Zuo / 周左
Song Jiatengas He Dabao / 何大宝
Wang Yuandaas Qian Zhenguo / 钱振国
Wang Wanjuanas Akiko Yamaguchi / 山口秋子
Kelvin Leeas Shen Xiong / 沈雄
Wu Yueas Qiu Yingxia / 邱映霞
Fei Hai