Follows the story of underground workers who risked their lives to send intelligence and defend the motherland, set after Japan's attack on Pearl Harbor when the Wang Jingwei regime declared war on Britain and the U.S.
You can now watch Hidden Blade online on the following streaming providers in the United States.
| Directing | Er Cheng | Director |
| Writing | Er Cheng | Writer |
| Production | Yu Dong | Producer |
| Production | Zhao Haicheng | Producer |
| Crew | Fu Ruoqing | Presenter |
| Production | Jiang Xiao | Associate Producer |
| Crew | Jie Li | Presenter |
| Camera | Cai Tao | Director of Photography |
