In the puppet state of Manchukuo in the 1930s, four Communist party special agents, after returning to China, embark on a secret mission. Sold out by a traitor, the team find themselves surrounded by threats on all sides.
Zhang Yi
Zhang Xianchen
Yu Hewei
Zhou Yi
Qin Hailu
Wang Yu
Zhu Yawen
Chu Liang
Liu Haocun
Xiao Lan
Ni Dahong
Section Chief Gao
Li Naiwen
Lu Ming
Yu Ailei
Jin Zhide
Fei Fan
Xiao Meng
Lei Jiayin
Xie Zirong
Sha Yi
Lao Feng
Wang Naixun
Xiao Zheng
