In January 1933, the Japanese army captured Shanhaiguan and occupied Chengde in March. The anti-Japanese situation in North China was in jeopardy. Shanghai's multinational forces are glued and undercurrent. Gu Pan, Tian Qiao Jie and Tan Zhong Wen are agents of Qingshan Military Academy. Gu Pan was alone in completing the assassination of the Japanese Economic Secretary, Koji Koji.