A young woman was brutally killed at home. The security guard who admired her set foot on the journey to find the real murderer, but the matter is far more complicated than imagined. With further investigation, Liang Chen discovered that her death was related to the murderer who killed his friend ten years ago.
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.