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 Guanying
• Yukee Chen
• Fu Dalong
• Gao Hanyu
• Chen Xiaoyun
• Wang Jinsong
• Wu Yue
• Dong Jie